Two charged particles q and 4q are kept at distance 3 m as shown in figure,
The force on a charge Q kept at P is
(1) 5 KQq
(2) KQq
(3) 2Kq2
(4) Zero
please ans and explain
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according to me option 4 is right .....
Force of Q , will be KQ.4q/(2)²- KQ.q
(1)² = KQq-KQq =0
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