A) 200 J
B) 400 J
C) 25 J
D) 50 J
Correct Answer: B
Solution :
When the heating coil is cut into two equal parts and these parts are joined in parallel, the resistance of coil is reduced to one fourth, so power consumed will become 4 times i.e. 400 Js?1.You need to login to perform this action.
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