Question

find the time required for a 50Hz alternating current to change in value from zero to the rms value.​

Answer 1

Answer:

$\fcolorbox{blue}{cyan}{ \: hope \: so \: it \: will \: help \: you \: }$

$I = I。$

$And, ω = 2 π f = 100 π$

$I _{rms} = \frac{I。}{ \sqrt{2} }$

$\frac{?}{?}$

$\frac{I。}{ \sqrt{2} } = I。 \: sim \: wt$

$sim \: wt = \frac{1}{2}$

$wt = \frac{\pi}{4}$

$t = \frac{\pi}{4 \times 100\pi}$

$t = 2.5ms$