First slide

Electrical Resonance series circuit

Question

The reading of ammeter in the circuit shown will be

Moderate

A

2 A
B

2.4 A
C

Zero
D

1.7 A

Solution

Given ${X_L} = {X_C} = 5\Omega ,$ this is the condition of resonance.Also, the resistance of voltmeter is infinite. So ${V_L} = {V_C},$ so net voltage across L and C combination will be zero.

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