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AIPMT 2005 Physics and Chemistry Paper

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Question : 4

Total: 100

In a circuit L,C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage by 45∘. The value of C is -

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1
2πf(2πfL−R)
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1
2πf(2πfL+R)
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1
πf(2πfL−R)
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1
πf(2πfL+R)

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