The resistance R is measured by a voltmeter and an amme

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Uploaded: 02.05.2016
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Description

The resistance R is measured by a voltmeter and an ammeter on the circuit shown in the figure. The ammeter shows 2.4 A, the voltmeter shows 7.2 V. The resistance of the voltmeter 1000 ohms. Determine the relative error, which makes calculating the resistance without taking into account the current going to the voltmeter. Perform the same calculation at I = 24 mA, U = 7,2 V.

Additional information

Task 31507. Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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