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Shown an arrangement to measure the emf `(epsilon)`and internal resistance r of a battery. The voltmeter has a very high resistance and the ammeter also has some resistance.The voltmeter reads 1.52 V when the switch S is open.When the switch is closed the voltmeter reading drops to 1.45 V and the ammeter read 1.0A Find the emf and the internal resistance of the battery.

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RESONANCE ENGLISH-CURRENT ELECTRICITY-Exercise-2 (Part-2)
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  11. In the circuit shown in figure 16, E, F, G and H are cells of emf 2...

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  15. When current in a coil changes from 25 A to 12 A in 0.1 s , average vo...

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