Question

15. A potential difference of 100 V is applied
across a wire for 6 minutes and 58 seconds. If
the current through the wire is 0.1 A, find the
heat produced in calorie.(Ans. 1000 calories)
PROJECT
*Under the guidance of your teachers, make a
free-energy generator'.

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Answer 1

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Answer 2

Explanation:

Given:V=100V,I=0.1A,T=418seconds

Now,

H=VxIxT=100*0.1*418=10*418=4.18*10^3 joule

H=4.18x10^3 joules

1 calorie=4.18joules

Converting 4.18x10^3 joules in calorie

=4.18x10^3/4.18=10^3 calories

i.e. 1000 calories