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An inductance of 200/pi mG,a capacitance...

An inductance of `200/pi mG`,a capacitance of `(10^-3)/pi F` and a resistance of `10 Omega` are connected in series with an a.c. source 220 V, 50 Hz. The phase angle of the circuit is

A

`pi/2`

B

`pi/3`

C

`pi/6`

D

`pi/4`.

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