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Current passing through a wire decreases...

Current passing through a wire decreases linearly from `10 A` to `0` in 4s. Find total charge flowing through the wire in the given time interval.

A

20 C

B

40 C

C

0.4 C

D

0.2 C

Text Solution

Verified by Experts

The correct Answer is:
A
Current versus time graph is as shown in figure Area under this graph will give us net charge flow.
Hence, `Deltaq="Area"=(1)/(2)xx"base" xx"height"`
`=(1)/(2)xx4xx10=20C`
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