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If charge flown through a wire is given ...

If charge flown through a wire is given by `q=3sin(3t)`, then
Q. Find out the current flown through the wire at `t=(pi)/(9)` second.

A

4.5 amp

B

`4.5sqrt3amp`

C

`(sqrt3)/(2)amp`

D

`9amp`

Text Solution

Verified by Experts

The correct Answer is:
A
`i=(dq)/(dt)=3xx3cos(3t)`
`i|t=(pi)/(9)=9cos(39pi)/(9))=9cos((pi)/(3))=(9)/(2)A`
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