An alternating voltage is given by : $e = e_1\, \sin \omega t + e_2\, \cos \omega t$. Then the root mean square value of voltage is given by :-
An alternating voltage is given by : $e = e_1\, \sin \omega t + e_2\, \cos \omega t$. Then the root mean square value of voltage is given by :-
- A
$\sqrt {e_1^2 + e_2^2}$
- B
$\sqrt {e_1e_2}$
- C
$\sqrt {\frac{e_1e_2}{2}}$
- D
$\sqrt {\frac{e_1^2 + e_2^2}{2}}$
Similar Questions
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- [JEE MAIN 2022]