Determine the direction of the force (if any) that will act on the charge in eac

Question

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

Explanation / Answer

A postive charge moves in the direction of electric field --so Downwards

A -ve charge movies in the direction of Electric field --so to the Left

magnetic force on +ve charge F = q x(V x B) -- from RH rule Upwards

for -ve ccharge, magnetic force is to the left

A +ve charge will move in the direction of EF, so this is not poss or Zero force

A + ve charge moving to the right in a magentic field that point to the left is zero ( anti parallel)

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