A) 0.2
B) 0.8
C) 0.4
D) 0.6
Correct Answer: D
Solution :
Here, \[R = 20 +40 = 60 \Omega \] \[{{X}_{L}}-{{X}_{C}}=100-20=80=Z\] Power factor \[=\frac{R}{\sqrt{{{R}^{2}}+{{Z}^{2}}}}=\frac{60}{\sqrt{{{(60)}^{2}}+{{(80)}^{2}}}}=\frac{60}{100}=0.6\]You need to login to perform this action.
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