In given circuit, voltage across the inductor will be .....$V$
$40$
$60$
$80$
$100$
In a certain circuit current changes with time according to $i = 2\sqrt t .$ r.m.s. value of current between $t = 2$ to $t = 4s$ will be
Alternating current can not be measured by dc ammeter because
Find the rms value for the saw-tooth voltage of peak value $V_0$ from $t = 0$ to $t = 2T$ as shown in figure
The $ r.m.s$. value of an ac of $ 50 Hz$ is $10 amp$. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be
The peak value of $220 \,volts$ of $ac$ mains is......$volts$