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Current Given By A Cell - Practice Questions & MCQ
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main
Quick Facts
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Current Given by a Cell is considered one the most difficult concept.
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14 Questions around this concept.
Solve by difficulty
A d.c. main supply of e.m.f. 220 V is connected across a storage battery of e.m.f. 200 V through a resistance of 1. The battery terminals are connected to an external resistance ‘R’. The minimum value of ‘R’, so that a current passes through the battery to charge it is :
A cell supplies a current through a coil of resistance
, a current
through a coil of resistance
. The emf of the cell is
Concepts Covered - 1
Current Given by a Cell
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Current supplied by the cell
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Cell supplies a constant current in the circuit.
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External resistance
r- internal resistance
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Potential drop inside the cell=ir
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The internal resistance of the cell
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Power dissipated in external resistance
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Maximum power is obtained when the resistance value of the load is equal in value to that of the voltage sources internal resistance.
Maximum power
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