ElectrostaticsHard

Question

A positively charged body ′A′ has been brought near a neutral brass sphere B mounted on a glass stand as shown in the figure. The potential of B will be:

Options

A.Zero
B.Negative
C.Positive
D.Positive

Solution

Potential of B = Potintial at the centre of B
    = Potential due to induced charges  + potential due to A.
    = 0 +  (+ ve)        ⇒    Potential of B is +ve.

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