In an L CR circuit shown in the following figure, what will be the readings of the voltmeter across the resistor and ammeter if an a.c. source of 220 V and 100 Hz is connected to it as shown?

Question

TestHub · Accepted Answer

In case of series RLC circuit, Equation of voltage is given by
$V^{2} = V_{R}^{2} + (V_{L} - V_{C}^{2})$
Here, $V = 220 V; V_{L} = V_{C} = 300 V$ $∴ V_{R} = V^{2} = 220 V$
Current $i = \frac{V}{R} = \frac{220}{100} = 2.2 A$

Physics - EMI/AC Question with Solution | TestHub

Options:

Doubts & Discussion