Questions
Permissible current in a fuse wire of radius 0.1 mm is 2A. What is the permissible current in a fuse wire of radius 0.4 mm?
detailed solution
Correct option is A
i α r3/2∴i1i=r1r3/2⇒i12=0.40.132⇒i1=16 ATalk 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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