In a potentiometer experiment the galvanometer deflection remains one-sided. In case (i) the deflection decreases as the jockey moves from A to B; in case (ii) it increases. Answer the following.

Physics · Current electricity · Electrical Instruments: Galvanometer, Ammeter, Voltmeter & Potentiometer

JEE Advanced

In a potentiometer experiment the galvanometer deflection remains one-sided. In case (i) the deflection decreases as the jockey moves from A to B; in case (ii) it increases. Answer the following.

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Sub-question 1

In case (i), which terminal of E₁ is connected at X and how is E₁ related to E?

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Sub-question 2

In case (ii), which terminal of E₁ is connected at X?

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