A) 31.11 V
B) 311.1 V
C) 41.11 V
D) 411.1 V
Correct Answer: B
Solution :
(b) 311.1 V Here, \[{{V}_{m}}=440\,V\] \[\therefore {{V}_{rms}}=\frac{{{V}_{m}}}{\sqrt{2}}=\frac{440}{\sqrt{2}}=311.1\,V\]
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