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Physics, 09.04.2021 07:00 only1cache

A cell of e. m.f. (E) and internal resistance (r) is connected to a variable resistor. A voltmeter is connected so as to measure the potential difference across the terminals of the cell. Which one of the
following is the correct circuit diagram of the arrangement?


A cell of e.m.f. (E) and internal resistance (r) is connected to a variable resistor. A voltmeter i

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A cell of e. m.f. (E) and internal resistance (r) is connected to a variable resistor. A voltmeter i...
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