First slide

Electrical Resonance series circuit

Question

In the series LCR circuit, the voltmeter and ammeter readings are respectively:

Moderate

A

V = 250V, I = 4 A
B

V = 150V, I = 2 A
C

V = 1000V, I = 5 A
D

V = 100V, I = 2 A

Solution

V = V_R + (V_L – V_C)
100 = V_R + (200 – 200)
V_R = 100V
$i = \frac{{100}}{{50}} = 2\Omega$

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