Electro Magnetic Induction And Alternating Currents Question 82
Question: In an ac circuit, peak value of voltage is 423 volts. Its effective voltage is [JIPMER 1997]
Options:
A) 400 volts
B) 323 volts
C) 300 volts
D) 340 volts
Show Answer
Answer:
Correct Answer: C
Solution:
Effective voltage $ {V_{r.m.s.}}=\frac{V_{o}}{\sqrt{2}}=\frac{423}{\sqrt{2}}=300\ V $