Magnetic force on a moving charge

What happens when a charged particle moves perpendicular to a magnetic field?

• It continues to move in the same path

• It is deflected due to a magnetic force

• It stops

• It is repelled

What are the factors that affect the magnitude of the magnetic force?

• speed, charge

• magnetic field

• electric field

• both a and b

What happens when a neutral particle passes through a magnetic field?

• It remains moving in the same path

• It is deflected by a magnetic force

• It stops

• It is repelled

F=q x v x B

Which of the following statements is true?

• As q increases, F decreases

• As v decreases. F increases

• F is directly proportional to q, v, and B

• F is indirectly proportional to q, v, and B

Which of the following correctly describes RHR 3 for a charge moving a magnetic field?

• Thumb: B

  Pointer: F

  Middle finger: v

• Thumb: F

  Pointer: v

  Middle finger: B

• Thumb: F

  Pointer: q

  Middle finger: B

• Thumb: v

  Pointer: F

  Middle finger: B

When will a particle not feel a magnetic force?

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