Calculate the peak voltage of a mains supply of r.ms. value 220V.
121 V
156 V
225 V
240 V
311 V
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Peak voltage= √2vrms 1.414*220=311.1
There is no answer in the options
note Vpeak * 0.707 = Rms Vrms * 1.414= peak
how come?
no nooo its Inot= Irms * 0.707 so correct answer is B
ceoofwahala
20th June, 2026
ASSAAS
infinitehoaxx
21st May, 2026
