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The emf (epsilon)and the internal resist...

The emf `(epsilon)`and the internal resistance r of the battery shown in figure are 4.3V and `1.0(Omega)`respectively.the external resistance R is `50(Omega)`.The resistances of the ammeter and voltmeter are `2.0(Omega)`and `200(Omega)`respectively.(a)Find the reading of the two meters.(b) Tje switch is thrown to the other side, What will be the readings of the two meters now?

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