Question

31. Three copper plates A, B, C shown below are kept
at very small separations. If the plate A is given 2
uC of charge, then the charge on the outer surface
of the plate C will be
(1) 2 HC
(2) 1 uc
(3) 0.5 uc
(4) Zero​

Answer 1

Answer:

(2)1muC

Explanation:

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You can answer this question using a shortcut

shortcut is

the charge on outer surfaces is always netcharge on the whole system plates divided by 2

here the net charge is 2muC

so the charge on the outer surface=1muC