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JEE PHYSICS MCQ: CURRENT ELECTRICITY
1
Medium
1 of 1
Application
+4 | -1
A battery of negligible internal resistance is charged by a d.c. supply. If the resistance in the charging circuit is , what is the value of charging current ?
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Correct option: B
Option B (5 A) is correct because it is the charging current calculated by considering the net emf and the resistance in the circuit.
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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