Question

The rms voltage of the wave form shown is

• A. $10V$
• B. $7V$
• C. $6.37V$
• D. $Noneofthese$

Answer 1

The correct option is A $10V$

As we know,

$V_{rms}=\sqrt{\frac{1}{T}{\int }_0^T{10}^{2}dt}$

$V_{rms}=\sqrt{\frac{1}{T}{10}^{2}Tdt}$

$V_{rms}=\sqrt{{10}^{2}dt}=10V$