First slide

Electrical Resonance series circuit

Question

In the circuit shown below, what will be the readings of the voltmeter and ammeter

Moderate

A

800 V, 2A
B

300 V, 2A
C

220 V, 2.2 A
D

100 V, 2A

Solution

${V^2} = V_R^2 + {({V_L} - {V_C})^2} \Rightarrow {V_R} = V = 220\,\,V$
$Also\,\,i = \frac{{220}}{{100}} = 2.2\,\,A$

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