plz Answer these ques....its very impotant...
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Shreyagour:
answer of Q3 is wire A
answer of Q6 is..... because electric current also produces magnetic field or effects the compass needle gets deflected.
okk..thnks
answer of Q4 ..... because these bulbs and tube light produce less heat so they are used nowadays. .
okk
hyyy
hlo...
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