1.

A resistance R Ω and inductance of L H are connected across 240 V, Hz supply. Power dissipated in the circuit is 300 W and the voltage across R is 100 V. In order to improve the power fact or to unity, the capacitor that is to be connect ed in series should have a val ue of _______ F

A. 11.5 F.
B. 13.7 F.
C. 12.5 F.
D. 43.7 F.
Answer» E.


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