A current of 400mA flows through a conductor for half an hour . How many coulombs of charge will flow during this time ?
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don't know bro sorry check in google
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400mA = 4*10-³A
Now 30 min. = 30 *60 sec.
---- 1800s
Now we know that
I=Q/t
4*10-³=Q/1800
4*10-³=Q/1.8*10³
Q=4*1.8*10-³*10³
Q=4*1.8
Q= 7.2 Coulomb
Now 30 min. = 30 *60 sec.
---- 1800s
Now we know that
I=Q/t
4*10-³=Q/1800
4*10-³=Q/1.8*10³
Q=4*1.8*10-³*10³
Q=4*1.8
Q= 7.2 Coulomb
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