Questions
Resistance of conductor is doubled keeping potential difference across it constant. The rate of generation of heat will
detailed solution
Correct option is B
H=Vit=V2R×tor rate of heat generation =HtKeeping V constant, when .R is doubled Htis halvedTalk to our academic expert!
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Permissible current through a fuse wire of diameter 1 mm is 1A. What should be the radius of a fuse wire, made of same material, whose permissible current is 8A ?
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