From a battery of potential diffrence 9 Volt Current 4 A clows through a wire for 20 Mins find:
1) The electical energy supplied by the body.
2)The power Spent
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Hey mate here is your answer
Given:-
Voltage = 9V
Current = 4A
Time = 20min = 1200sec
To find:-
(i) Electrical energy supplied by the body
By applying, I = Q/T
Q = I×T
= 4×1200
= 4800C
By applying V = W/Q
W = V×Q
= 9×4800
= 43200J
(i) Power spent
By applying, P = W/T
= 43200/1200
= 36W.
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