30j of workdone on 10C of charge.then find current? at 2 sec
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Answer:
Current = 5A
Explanation:
Workdone (W) = 30J
Charge (Q) = 10C
Time(t) = 2s
W = VQ
V = W / Q
Potential difference (v) = 30 / 10 = 3V
heat = VIT
Current (I) = ?
Heat = workdone
30J = 3 x I x 2
30 = 6I
I = 30 / 6
I = 5A
Current = 5A
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