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Browsing Animations: Charged Particle Motion
22 Animations
cp-efield-02.iwp
A charged particle moves under the influence of an electric field oriented along the y-axis. Note this sign convention: The direction of positive E is +y (toward top of screen) The red and blue vectors on the particle represents its velocity and acceleration.
cp-efield.iwp
A charged particle moves under the influence of an electric field oriented along the y-axis as shown by the vector at lower right. Note this sign convention: Direction of positive E is +y (toward top of screen) The red and blue vectors on the particle represents its velocity and acceleration.
cp-mfield-02.iwp
A charged particle moves under the influence of a magnetic field oriented along the z-axis (perpendicular to the screen). The direction of positive B is +z (outward from screen). The blue vector on the particle represents its acceleration.
cp-efield.iwp
A charged particle moves under the influence of an electric field oriented along the y-axis as shown by the vector at lower right. Note this sign convention: Direction of positive E is +y (toward top of screen) The red and blue vectors on the particle represents its velocity and acceleration.
cp-mfield-02.iwp
A charged particle moves under the influence of a magnetic field oriented along the z-axis (perpendicular to the screen). The direction of positive B is +z (outward from screen). The blue vector on the particle represents its acceleration.
cp-mfield.iwp
A charged particle moves under the influence of a magnetic field oriented along the z-axis (perpendicular to the screen). The direction of positive B is +z (outward from screen). The blue vector on the particle represents its acceleration.
cp-mfield-02.iwp
A charged particle moves under the influence of a magnetic field oriented along the z-axis (perpendicular to the screen). The direction of positive B is +z (outward from screen). The blue vector on the particle represents its acceleration.
cp-mfield.iwp
A charged particle moves under the influence of a magnetic field oriented along the z-axis (perpendicular to the screen). The direction of positive B is +z (outward from screen). The blue vector on the particle represents its acceleration.
cp-template.iwp
A charged particle moves under the influence of an electric field oriented along the y-axis and a magnetic field oriented along the z-axis (perpendicular to the screen). Note these sign conventions: Direction of positive E is +y (toward top of screen) Direction of positive B is +z (outward from screen)
cp-mfield.iwp
A charged particle moves under the influence of a magnetic field oriented along the z-axis (perpendicular to the screen). The direction of positive B is +z (outward from screen). The blue vector on the particle represents its acceleration.
cp-template.iwp
A charged particle moves under the influence of an electric field oriented along the y-axis and a magnetic field oriented along the z-axis (perpendicular to the screen). Note these sign conventions: Direction of positive E is +y (toward top of screen) Direction of positive B is +z (outward from screen)
cp-unknown-1.iwp
Three different charged particles of equal kinetic energy move under the influence of a uniform magnetic field oriented perpendicular to the screen. Graphs of vertical position vs. time can be displayed by clicking Show graph. 1. Taking the red particle to have a unit charge of +1 and a unit mass of 1, what are the charges and masses of the other particles? 2. Determine one possible combination of real particles that the three charges could represent.
cp-template.iwp
A charged particle moves under the influence of an electric field oriented along the y-axis and a magnetic field oriented along the z-axis (perpendicular to the screen). Note these sign conventions: Direction of positive E is +y (toward top of screen) Direction of positive B is +z (outward from screen)
cp-unknown-1.iwp
Three different charged particles of equal kinetic energy move under the influence of a uniform magnetic field oriented perpendicular to the screen. Graphs of vertical position vs. time can be displayed by clicking Show graph. 1. Taking the red particle to have a unit charge of +1 and a unit mass of 1, what are the charges and masses of the other particles? 2. Determine one possible combination of real particles that the three charges could represent.
cpchall01.iwp
Challenge 1. An electron is shot along the +y-axis from the origin. Enter the magnetic field that will make the electron move in a path of radius 0.050 m. Note that a positive value of B-field indicates that B points outward from the screen. Also note the following: After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cp-unknown-1.iwp
Three different charged particles of equal kinetic energy move under the influence of a uniform magnetic field oriented perpendicular to the screen. Graphs of vertical position vs. time can be displayed by clicking Show graph. 1. Taking the red particle to have a unit charge of +1 and a unit mass of 1, what are the charges and masses of the other particles? 2. Determine one possible combination of real particles that the three charges could represent.
cpchall01.iwp
Challenge 1. An electron is shot along the +y-axis from the origin. Enter the magnetic field that will make the electron move in a path of radius 0.050 m. Note that a positive value of B-field indicates that B points outward from the screen. Also note the following: After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cpchall02.iwp
Challenge 2. Orbiting alpha particle An alpha particle is shot along the +y-axis from the origin. Enter the magnetic field that will make the alpha move in a path of radius 0.050 m. Notes: A positive value of B-field indicates that B points outward from the screen. After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cpchall01.iwp
Challenge 1. An electron is shot along the +y-axis from the origin. Enter the magnetic field that will make the electron move in a path of radius 0.050 m. Note that a positive value of B-field indicates that B points outward from the screen. Also note the following: After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cpchall02.iwp
Challenge 2. Orbiting alpha particle An alpha particle is shot along the +y-axis from the origin. Enter the magnetic field that will make the alpha move in a path of radius 0.050 m. Notes: A positive value of B-field indicates that B points outward from the screen. After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cpchall03.iwp
Challenge 3. Unknown X particle Use magnetic fields to investigate the unknown X particle. Determine as much as you can about the charge and mass. Notes: A positive value of B-field indicates that B points outward from the screen. After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cpchall02.iwp
Challenge 2. Orbiting alpha particle An alpha particle is shot along the +y-axis from the origin. Enter the magnetic field that will make the alpha move in a path of radius 0.050 m. Notes: A positive value of B-field indicates that B points outward from the screen. After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cpchall03.iwp
Challenge 3. Unknown X particle Use magnetic fields to investigate the unknown X particle. Determine as much as you can about the charge and mass. Notes: A positive value of B-field indicates that B points outward from the screen. After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cpchall04.iwp
Challenge 4. Explore electric field Investigate the motion of an electron in an electric field. Compare to the motion in a magnetic field. Try combinations of electric and magnetic fields. Notes: Positive E-fields are to the right and positive B-fields are out of the screen. After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cpchall03.iwp
Challenge 3. Unknown X particle Use magnetic fields to investigate the unknown X particle. Determine as much as you can about the charge and mass. Notes: A positive value of B-field indicates that B points outward from the screen. After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
cpchall04.iwp
Challenge 4. Explore electric field Investigate the motion of an electron in an electric field. Compare to the motion in a magnetic field. Try combinations of electric and magnetic fields. Notes: Positive E-fields are to the right and positive B-fields are out of the screen. After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
em-ratio-1.iwp
An electron is accelerated from rest under the influence of a potential V1. At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V1. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils with current. Vectors: red = velocity green = magnetic force black = electric force blue = acceleration
cpchall04.iwp
Challenge 4. Explore electric field Investigate the motion of an electron in an electric field. Compare to the motion in a magnetic field. Try combinations of electric and magnetic fields. Notes: Positive E-fields are to the right and positive B-fields are out of the screen. After making a change in any Input, click Reset. The grid spacing is 0.01 m along both axes. Form of powers of ten entry: 5E-3 = 0.005
em-ratio-1.iwp
An electron is accelerated from rest under the influence of a potential V1. At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V1. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils with current. Vectors: red = velocity green = magnetic force black = electric force blue = acceleration
em-ratio-1b.iwp
An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters a uniform electric field. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V1.
em-ratio-1.iwp
An electron is accelerated from rest under the influence of a potential V1. At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V1. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils with current. Vectors: red = velocity green = magnetic force black = electric force blue = acceleration
em-ratio-1b.iwp
An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters a uniform electric field. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V1.
em-ratio-1c.iwp
An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters a uniform magnetic field produced by Helmholtz coils. Within the area encircled by the coils, the electron follows a circular path.
em-ratio-1b.iwp
An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters a uniform electric field. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V1.
em-ratio-1c.iwp
An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters a uniform magnetic field produced by Helmholtz coils. Within the area encircled by the coils, the electron follows a circular path.
em-ratio-1d.iwp
An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V2. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils.
em-ratio-1c.iwp
An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters a uniform magnetic field produced by Helmholtz coils. Within the area encircled by the coils, the electron follows a circular path.
em-ratio-1d.iwp
An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V2. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils.
em-ratio-2.iwp
An electron is accelerated from rest and enters an electric field produced by parallel plates with a constant potential difference across them.
em-ratio-1d.iwp
An electron is accelerated from rest under the influence of a potential V1 (not shown). At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V2. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils.
em-ratio-2.iwp
An electron is accelerated from rest and enters an electric field produced by parallel plates with a constant potential difference across them.
em-ratio-2b.iwp
An electron is accelerated from rest under the influence of a potential V1. Near the origin, the electron enters a uniform magnetic field produced by Helmholtz coils. The magnetic field is oriented in the -z direction (into screen). The magnitude of the magnetic field may be adjusted by changing the current in the coils.
em-ratio-2.iwp
An electron is accelerated from rest and enters an electric field produced by parallel plates with a constant potential difference across them.
em-ratio-2b.iwp
An electron is accelerated from rest under the influence of a potential V1. Near the origin, the electron enters a uniform magnetic field produced by Helmholtz coils. The magnetic field is oriented in the -z direction (into screen). The magnitude of the magnetic field may be adjusted by changing the current in the coils.
em-ratio-2c.iwp
An electron is accelerated from rest under the influence of a potential V1. At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V2. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils. Vectors: red = velocity blue = acceleration
em-ratio-2b.iwp
An electron is accelerated from rest under the influence of a potential V1. Near the origin, the electron enters a uniform magnetic field produced by Helmholtz coils. The magnetic field is oriented in the -z direction (into screen). The magnitude of the magnetic field may be adjusted by changing the current in the coils.
em-ratio-2c.iwp
An electron is accelerated from rest under the influence of a potential V1. At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V2. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils. Vectors: red = velocity blue = acceleration
em-ratio-2d.iwp
An electron is accelerated from rest and enters an electric field produced by parallel plates with a constant potential difference across them.
em-ratio-2c.iwp
An electron is accelerated from rest under the influence of a potential V1. At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V2. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils. Vectors: red = velocity blue = acceleration
em-ratio-2d.iwp
An electron is accelerated from rest and enters an electric field produced by parallel plates with a constant potential difference across them.
em-ratio-3.iwp
An electron is accelerated from rest under the influence of a potential V. At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils. Vectors: red = velocity green = magnetic force black = electric force blue = acceleration
em-ratio-2d.iwp
An electron is accelerated from rest and enters an electric field produced by parallel plates with a constant potential difference across them.
em-ratio-3.iwp
An electron is accelerated from rest under the influence of a potential V. At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils. Vectors: red = velocity green = magnetic force black = electric force blue = acceleration
pitch1-para.iwp
An electron is accelerated to the right in an electron gun under the influence of a uniform electric field. When the electron exits the gun, it enters a region of uniform magnetic field pointing from the origin to the box target. (The electric field outside of the gun is 0.) Note that the path of the electron on the screen is a 2D slice of a 3D path. Determine 3 values of the magnetic field required for the electron to get within 0.01 m of the target.
em-ratio-3.iwp
An electron is accelerated from rest under the influence of a potential V. At the origin, the electron enters crossed electric and magnetic fields. The electric field is oriented in the -y direction and is produced by parallel plates with a potential difference equal to V. The magnetic field is oriented in the -z direction (into screen) and is produced by Helmholtz coils. Vectors: red = velocity green = magnetic force black = electric force blue = acceleration
pitch1-para.iwp
An electron is accelerated to the right in an electron gun under the influence of a uniform electric field. When the electron exits the gun, it enters a region of uniform magnetic field pointing from the origin to the box target. (The electric field outside of the gun is 0.) Note that the path of the electron on the screen is a 2D slice of a 3D path. Determine 3 values of the magnetic field required for the electron to get within 0.01 m of the target.
velocity-selector-02.iwp
A charged particle moves under the influence of an electric field oriented along the y-axis and a magnetic field oriented along the z-axis. Sign conventions: positive E is +y (toward top of screen) positive B is +z (outward from screen) Vectors: red = velocity blue = acceleration
pitch1-para.iwp
An electron is accelerated to the right in an electron gun under the influence of a uniform electric field. When the electron exits the gun, it enters a region of uniform magnetic field pointing from the origin to the box target. (The electric field outside of the gun is 0.) Note that the path of the electron on the screen is a 2D slice of a 3D path. Determine 3 values of the magnetic field required for the electron to get within 0.01 m of the target.
velocity-selector-02.iwp
A charged particle moves under the influence of an electric field oriented along the y-axis and a magnetic field oriented along the z-axis. Sign conventions: positive E is +y (toward top of screen) positive B is +z (outward from screen) Vectors: red = velocity blue = acceleration
velocity-selector.iwp
A charged particle moves under the influence of an electric field oriented along the y-axis and a magnetic field oriented along the z-axis. Sign conventions: positive E is +y (toward top of screen) positive B is +z (outward from screen) The directions of E and B are indicated at lower right. Vectors: red = velocity blue = acceleration