What is the resistance to be connected in series with a condenser of a capacity `5muF` so that the phase difference between the current and the applied voltage is `45^(@)` when the angular frequency of applied voltage is 400 rad/s ?
A. `250Omega`
B. `400Omega`
C. `500Omega`
D. `600Omega`

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1 Answers

Correct Answer - C
`tanphi=(1)/(omegaCR)`
`R=(1)/(omegaC tanphi)=(1)/(400xx5xx10^(-6)xxtan45)`
`=500Omega`

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