First slide

AC Circuits

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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