Quiz on Motion of Charged Particles in a Magnetic Field

What happens to a positive charge when it enters a uniform magnetic field directed into the screen?

• It stops moving.

• It accelerates in the direction of the field.

• It continues in a straight line.

• It moves in a circular path.

According to Fleming's left-hand rule, if the magnetic field is into the board and the current is to the right, in which direction is the force on the charge?

• To the left

• Downwards

• Into the screen

• Upwards

What type of force causes the positive charge to move in a circle in a magnetic field?

• Electrostatic force

• Frictional force

• Gravitational force

• Centripetal force

Which of the following factors is the radius of curvature directly proportional to?

• Mass of the particle

• Charge of the particle

• Magnetic flux density

• None of the above

The radius of curvature is inversely proportional to which of the following?

• Velocity of the particle

• None of the above

• Mass of the particle

• Charge of the particle