A) 275 W
B) 366 W
C) 55 0 W
D) 1100 W
Correct Answer: A
Solution :
\[P={{E}_{v}}{{I}_{v}}\,\,\cos \phi \] \[P={{E}_{v}}\,\,\frac{{{E}_{v}}}{Z}\frac{R}{Z}\] \[or\,\,P=\frac{{{E}_{v}}^{2}R}{{{Z}^{2}}}\,\,=\,\frac{110\times 110\times 11}{22\times 22}\,\,W=275\,\,W\]
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