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The filament of an electric lamp draws a...

The filament of an electric lamp draws a current of `0.4 A` which lights for `3` hours. Calculate the amount of charge that flows through the circuit.

A

1320 C

B

4320 C

C

2000 C

D

None

Text Solution

Verified by Experts

The correct Answer is:
B
Here, current, `I = 0.4 A` and time, `t = 3` hours `= (3 xx 60 xx 60)s = 10800 s`
charge, `Q = I xx t = (0.4 A)(10800 s) = 4320 C`.
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