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You Want to Determine the Resistance R of a Resistor Ω\Omega

Question 90

Multiple Choice

You want to determine the resistance R of a resistor by passing a current I through it,measuring this current with an ammeter connected in series with the resistor,measuring the voltage V across only the resistor with a voltmeter,and then dividing the voltage by the current to get the resistance.If the voltmeter has an internal resistance of 5.0 k Ω\Omega ,what is the percentage error (relative to the true value) in measuring a 1.0-k Ω\Omega resistance?


A) 0.17%
B) 1.7%
C) 2.0%
D) 17%
E) 20%

Correct Answer:

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