Question

The maximum value of AC voltage in a circuit is $707V$ . Its rms value is:

• A. 70.7 V
• B. 100 V
• C. 500 V
• D. 707 V
• E. 7.07 V

Answer 1

Answer: (C)

$V_{rms}=\frac{V_0}{\sqrt{2}}=\frac{707\sqrt{2}}{2}\approx 500V$