Question 200 joule of heat are produce each second in a 8 resistance. find the poticntial deffrance (PD) accross the recister.
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Explanation:
H=I²RT
We know,V=IR and I=V/Rso,
H=VIT=VxV/RxT
Therefore H=V²T/R
200=V²x1/8
200*8=V²
V=√400*4
V=40V
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