Task id16526
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DESCRIPTION
Task id16526
A voltmeter connected to the lighting network in series with some additional resistance R1 showed a voltage U1 = 198 V; when connected in series with additional resistance R2 = 2R1 - voltage U2 = 180 V. Find the voltage of the lighting network and additional resistance if the voltmeter resistance Rв = 900 Ohm.
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Detailed solution. Format gif
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