Questions
Consider four circuits shown in the figure below. In which circuit power dissipated is greatest? (Neglect the internal resistance of the Power supply)
detailed solution
Correct option is A
P=V2Req; for P to be maximum Req should be less.Hence option (1) is correct.Talk 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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