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JEE PHYSICS MCQ: CURRENT ELECTRICITY
1
Medium
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Analyzing
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Statement-I: Potential difference across the terminals of a battery is always less than emf of the battery.
Statement-II: During discharging of a battery potential difference across the terminals of a battery is less than its emf.
Statement-II: During discharging of a battery potential difference across the terminals of a battery is less than its emf.
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Correct option: D
Statement-I is false, but Statement-II is true
Option D (Statement-I is false, but Statement-II is true) is correct because the potential difference can be greater than the EMF during charging, and the statement about discharging is correct.
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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
