Determine the direction of the force (if any that wil act on the charge in each

Question

Determine the direction of the force (if any that wil act on the charge in each of the following situations A positive charge within an electric field that points to the left. A negative charge within an electric field that points upward. A positive charge moving into the screen in a magnetic field that points upward. A negative charge moving to the left in a magnetic field that points into the screen. A positive charge moving upward in an electric field that points out of the screen. A negative charge moving upward in a magnetic field downward

Explanation / Answer

1) to the left

because, the direction elctric force on a positive charge is same as electric field direction.

2) downward

because, the direction elctric force on a negative charge is opposite of electric field direction.

3) to the Right

F = q*(v cross B).

Using right hand rule we determine the direction of F.

4) Upward

5) Out of the screen

6) Zero Force.

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