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If charge flown through a cross section ...

If charge flown through a cross section of wire in one direction `0` to `t` is given by `q=3 sin(3t)` then
Find out the area under `i-t` curve from `t=(pi)/(9)` to `t=(pi)/(6)` seconds `:`

A

`3[(2-sqrt(3))/(2)]`

B

`3[(2+sqrt(3))/(2)]`

C

`[(2-sqrt(3))/(2)]`

D

`[(2+sqrt(3))/(2)]`

Text Solution

Verified by Experts

The correct Answer is:
A
`Deltaq=3|sin3t|_(pi//9)^(pi//6)=3[1-(sqrt(3))/(2)]=3[(2-sqrt(3))/(2)]`
`Deltaq=` total charge flown between `t=(pi)/(9)` to `(pi)/(6)`
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