A flash of lightning carries 10C of charge which flows for 0.01 sec. What is the current? If the voltage is 10 MV , what is the energy?
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Answered by
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Explanation:
Q=10C, t=0.01 s
I=Q/T = 10/0.01 = 1000A
p.d = W/Q
w = p.d *Q
10*10⁶*10 = 100 * 10⁶ = 100 MJ
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Answered by
2
Answer:
Q = 10C
time = 0.01sec.
current = Q/t
= 10/0.01
= 1000A
work = energy = potential difference(V) × charge(Q)
=> energy = 10MV × 1000
= 10000MV
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