Questions
An electric iron draws 10 amp, an electric toaster draws 5 amp and an electric refrigerator draws 3 amp from 220 V service line. The three appliances are connected in parallel. If all the three are operating at the same time, the fuse to be used should be of :
detailed solution
Correct option is D
In parallel voltage is same. So fuse to be used should be more than of 10 A + 5 A + 3 A = 18 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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