In circuit shown, when a voltmeter of re...

In circuit shown, when a voltmeter of resistance 2000ohm is connected across 500ohm its reading is

28/3 V

15V

10V

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When an ammter of negligible internal resistance is inserted in series with circuit it reads 1 A When the voltmeter of very large resistance is connected across X it reads 1 V . When the point A and B are shorted by a conducting wire, the voltmeter meausres 10 V across the battery. The internal resistance of the battery is equal to

State ohm's law. In the circuit shown in figure, a voltmeter reads 30 volts when it is connected across 400 ohm resistance. Calculate what the same voltmeter will read when it is connected across the 300 ohm resistance.

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