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An ideal voltmeter has ___________ equivalent resistance and ideal ammeter has ___________ equivalent resistance.

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An ideal voltmeter has ___________ equivalent resistance and ideal ammeter has ___________ equivalent resistance.

(a) Unity, Unity

(b) Zero, infinite

(c) Infinite, Zero

(d) Zero, Zero

The question was asked by my college professor while I was bunking the class.

This intriguing question comes from Measuring Voltage and Current in chapter Simple Resistive Circuits of Electric Circuits

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The correct answer is (c) Infinite, Zero

For explanation: An ideal voltmeter has Infinite equivalent resistance and ideal ammeter has zero equivalent resistance.

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