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The current in a wire varies with time a...

The current in a wire varies with time according to the equation l=4+2t, where l is in ampere and t is in sec. the quantity of charge which has passed through a cross-section of the wire during the time t=2 sec to t=6 sec will be

A

40 C

B

48 C

C

38 C

D

43 C

Text Solution

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The correct Answer is:
B
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