Electro Magnetic Induction And Alternating Currents Question 86
Question: The peak value of 220 volts of ac mains is [CPMT 1990; MP PMT 1999; MP PET 2000; RPET2001]
Options:
A) 155.6 volts
B) 220.0 volts
C) 311.0 volts
D) 440 volts
Show Answer
Answer:
Correct Answer: C
Solution:
Peak value = $ 220\sqrt{2}=311\ V $
