An Unknown Resistor Is Wired in Series with an Ammeter

question 42

Multiple Choice

An unknown resistor is wired in series with an ammeter, and a voltmeter is placed in parallel across the resistor only. This network is then connected to a battery. If one computes the value of the resistance by dividing the voltmeter reading by the ammeter reading, the value obtained

• A)is less than the true resistance.
• B)is greater than the true resistance.
• C)is the true resistance.
• D)could be any of the given answers. It depends on other factors.

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