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The current in the pure capacitor?(a) lags behind the voltage by 90⁰(b) is in phase with the voltage(c) lags behind the voltage by 45⁰(d) leads the voltage by 90⁰The question was posed to me in an interview for job.This interesting question is from Phase Relation in a Pure Resistor topic in portion Introduction to Alternating Currents and Voltages of Network Theory |
Answer» CORRECT answer is (d) leads the VOLTAGE by 90⁰ Best explanation: In a capacitor, there exists a phase DIFFERENCE between current and voltage. The current in PURE capacitor leads the voltage by 90⁰. |
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