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The charge q flowing in a conductor of u...

The charge q flowing in a conductor of uniform cross section, varies with time as `q=alphat-bt^(2)`. Then, the current

A

decreases linearly with time

B

reaches a maximum and then decreases

C

falls to zero after a time `t-alpha//2beta`

D

changes at the rate-`2beta`

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The correct Answer is:
A, C, D
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