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To study the dependence of current (I) on the potential difference (V) across a resistor R, two students used the two setups shown in Figures A and B respectively. They kept the contact point J in four different positions, marked (a), (b), (c) and (d) in the two figures.For the two students, the ammeter and voltmeter readings will be maximum when the contact J is in the position:(1) (d) in both the setups(2) (a) in both the setups(3) (d) in setup A and (a) in setup B(4) (a) in setup A and (d) in setup B |
Answer» To study the dependence of current (I) on the potential difference (V) across a resistor R, two students used the two setups shown in Figures A and B respectively. They kept the contact point J in four different positions, marked (a), (b), (c) and (d) in the two figures. For the two students, the ammeter and voltmeter readings will be maximum when the contact J is in the position: (1) (d) in both the setups (2) (a) in both the setups (3) (d) in setup A and (a) in setup B (4) (a) in setup A and (d) in setup B |
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