Question:medium

In an AC circuit, the current is $i=5 \sin(100t - \frac{\pi}{2})$ A and voltage is $e=200 \sin(100t)$ volt. Power consumption in the circuit is ($\cos 90^{\circ}=0$)

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Logic Tip: When the phase difference between voltage and current is $90^{\circ}$, the current is called "wattless current" because no power is consumed.
Updated On: Apr 28, 2026
  • 200 W
  • 0 W
  • 40 W
  • 1000 W
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The Correct Option is B

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