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A current is made up of two components 3...

A current is made up of two components 3 A de component and ac component given by `I = 4 sin (omega)t A`. The effective value of current is

A

`sqrt(17)A`

B

`sqrt(7)A`

C

`sqrt(25)A`

D

`sqrt(7 xx 25)A`

Text Solution

Verified by Experts

The correct Answer is:
A

`I_(rms)^(2)T=int_(0)^(T)(3+4 sin omegat)^(2)dt`.
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Knowledge Check

  • A current in circuit is given by i = 3 + 4 sin omegat . Then the effective value of current is :

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