In the circuit shown in the given figure, the current supplied

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In the circuit shown in the given figure, the current supplied by t he sinusoidal cur rent source I is __________ A

1. 1 A
2. 5 A
3. 10 A
4. 20 A

Correct Option: D

I = √I_R² + I_L²
(both I_R and I_L in quadrature)
= √12² + 16² = 20 A