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JEE PHYSICS MCQ: CURRENT ELECTRICITY
1
Medium
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Application
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A cell of emf and internal resistance is connected to a external resistance. What will be the p.d. across the terminals of the cell ?
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Correct option: D
Option A () is correct because it represents the electric field required to produce the same acceleration on an electron as the acceleration of the rod.
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Statement-1: If a resistor is connected to a battery the current decreases when the temperature increases.
Statement-2: For most of the resistors, resistance increases with increase in temperature. The reciprocal of resistance is Corresponding to the resistance , which is order of colour coding on carbon resistors? In a meter bridge, the gaps are closed by resistance 2 and 3 ohms. The value of shunt to be added to 3 ohm resistor to shift the balancing point by is
Statement-2: For most of the resistors, resistance increases with increase in temperature. The reciprocal of resistance is Corresponding to the resistance , which is order of colour coding on carbon resistors? In a meter bridge, the gaps are closed by resistance 2 and 3 ohms. The value of shunt to be added to 3 ohm resistor to shift the balancing point by is