A) 84.9 V
B) 42.4 V
C) 56.5 V
D) 75.5 V
Correct Answer: A
Solution :
The root mean square value of voltage is given by \[{{V}_{rms}}=\frac{{{V}_{0}}}{\sqrt{2}}=\frac{120}{\sqrt{2}}=84.9\,\text{volt}\]
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