Solving a problem in physics section 67 point 36 electr

Solving a problem in physics section 67 point 36 electr

36. In a circuit consisting of a battery and a resistance of 20 Ohms, a voltmeter is connected, first in series, and then parallel to the resistance. The voltmeter readings are the same in both cases. What is the resistance of the voltmeter if the internal resistance of the battery is 0.1 ohms?

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)