Networks Analysis and Synthesis - Engineering

Q1:

Power is drawn from a source at power factor 0.7. Pav = 300 watt. The reactive power is

A 0

B 105

C 100 VA

D 107 VA

ANS:D - 107 VA

cos θ = 0.7 sin θ = 0.71 Pr = VI sin θ = x 300 x 0.7 107 VA.