a flash of lightning carries 10C of charge which flows for 0.01 sec. what is the current? if the voltage is 10MV,what is the energy?
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I =q/t
I =10c/0.01sec
I =10*100/1sec
I =1000c/1sec
I =1000A
now v=10ma=10*10 to power minus 3
energy =VIT
V=potential difference
I =current
T=time
e=10*10 to power minus 3*1000*0.01
e=0.01J
so energy =0.01 joule
I =10c/0.01sec
I =10*100/1sec
I =1000c/1sec
I =1000A
now v=10ma=10*10 to power minus 3
energy =VIT
V=potential difference
I =current
T=time
e=10*10 to power minus 3*1000*0.01
e=0.01J
so energy =0.01 joule
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