In a series LR circuit, power of 400 W is dissipated from a source of 250 V, 50 Hz. The power factor of the circuit is 0.8. In order to bring the power factor to unity, a capacitor of value C is added in series to the L and R. Taking the value of C as then value of n is _______
Option: 1 400
Option: 2 200
Option: 3 100
Option: 4 50
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