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JEE PHYSICS MCQ: CURRENT ELECTRICITY
1
Easy
1 of 1
Analyzing
+4 | -1
Statement-1: Potential difference across the terminals of a battery can be greater than its emf.
Statement-2: When current is taken from battery, (Symbols have their usual meaning).
Statement-2: When current is taken from battery, (Symbols have their usual meaning).
View answer and explanation
Correct option: B
Statement-1 is true, Statement-2 is true, Statement-2 is not the correct explanation for Statement-1
Option B is correct. Statement-1 is true because the terminal voltage can exceed EMF during charging. Statement-2 is true but doesn't explain Statement-1.
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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
