CapacitanceHard

Question

For a charged parallel plate capacitor shown in the figure, the force experienced by an alpha particle will be :
                                    

Options

A.maximum at C
B.zero at A
C.same at B and C
D.zero at C

Solution

Electric field in the capacitor is same at every where which is equal to V/d. so that force at C and B point is same.
Electric field out side the capacitor is zero so that force at A point is zero.

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