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Question

An ac source is connected to a resistive circuits. Which of the following is true


A

Current leads the voltage and both are in same phase

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B

Current lags behind the voltage and both are in same phase

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C

Current and voltage are in same phase

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D

Any of the above may be true depending upon the value of resistance

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Solution

The correct option is C

Current and voltage are in same phase


In a pure ohmic AC Resistance, the current and voltage are both said to be “in-phase” as there is no phase difference between them. The current flowing through the resistor is directly proportional to the voltage across it.

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