Force on Moving Charges & Right Hand Rule Video Lessons

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Problem: For questions 1-3 use the figure below and give the direction of the magnetic force on the charged particle (black dot). Note that for 1 and 2 the magnetic field is into the page and for 3 it is to the right. Note also the sign of the charge on the particle is given in parentheses (+) or (-) Part 1. What is the direction of the force on particle (2)?Part 2. What is the direction of the force on particle (2)?A) Towards you out of the screen. B) Towards the right of the screen. C) Towards the bottom of the screen. D) Away from you into the screen. E) Towards the left of the screen. F) Towards the top of the screen.Part 3. What is the direction of the force on particle (3)?A) Towards you out of the screen. B) Towards the right of the screen. C) Towards the bottom of the screen. D) Away from you into the screen. E) Towards the left of the screen. F) Towards the top of the screen.

FREE Expert Solution

Right-hand rule (RHR) for a positive charge moving in a magnetic field: Thumb points in the direction of the velocity (v), fingers point in the direction of the magnetic field (B), Perpendicular to the palm gives the direction of the resultant magnetic force.

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Problem Details

For questions 1-3 use the figure below and give the direction of the magnetic force on the charged particle (black dot). Note that for 1 and 2 the magnetic field is into the page and for 3 it is to the right. Note also the sign of the charge on the particle is given in parentheses (+) or (-) 

Part 1. What is the direction of the force on particle (2)?

Part 2. What is the direction of the force on particle (2)?

A) Towards you out of the screen. 

B) Towards the right of the screen. 

C) Towards the bottom of the screen. 

D) Away from you into the screen. 

E) Towards the left of the screen. 

F) Towards the top of the screen.

Part 3. What is the direction of the force on particle (3)?

A) Towards you out of the screen. 

B) Towards the right of the screen. 

C) Towards the bottom of the screen. 

D) Away from you into the screen. 

E) Towards the left of the screen. 

F) Towards the top of the screen.

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