Electronics and Communication Engineering - Networks Analysis and Synthesis - Discussion
Discussion Forum : Networks Analysis and Synthesis - Section 10 (Q.No. 49)
49.
In the circuit, Vs = 10 cos ωt, power drawn by the 4Ω resistor is 8 watt. The power factor is
Answer: Option
Explanation:
I2m = P/R 
Im = 2
Total power drawn
= 
I2R x 2 x [4 + 2] 6
VmIm cos θ = 6
x 10 x 2 x PF = 6 P.F = 0.85 .
Discussion:
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