Answer & explanation
Correct answer: option 3
Angular frequency $\omega = 2\pi f = 120$
$\Rightarrow f = 19 Hz$
$V_{rms} = \frac{240}{\sqrt 2} = 170 V$
Correct answer: option 3
Angular frequency $\omega = 2\pi f = 120$
$\Rightarrow f = 19 Hz$
$V_{rms} = \frac{240}{\sqrt 2} = 170 V$