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Calculate thee resistance required to be...

Calculate thee resistance required to be connected in series in series with an inductance of 0.2 H in order that the phase difference between the current and the emf may be `45^(@)` when the frequency is 50 Hz.

A

6.28 ohm

B

62.8 ohm.

C

628 ohm.

D

31.4 ohm.

Text Solution

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The correct Answer is:
B
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