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Internal Resistance Of A Cell - Practice Questions & MCQ

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main

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  • 19 Questions around this concept.

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Which of the following graphs for internal resistance vs concentration is correct?

Which of the following is a correct graph for internal resistance with temperature.?

Two identical cells each of emf 1.5 V are connected in parallel across a parallel combination of two resistors each of resistance $20 \Omega$. A voltmeter connected to the circuit measures 1.2 V. The internal resistance of each cell is :

The internal resistance of a cell depends on

 

 

The internal resistance of a cell is

 

 

 

 

Concepts Covered - 1

Internal resistance

 Internal resistance-

In case of a cell the opposition of electrolyte to the flow of current through it is the internal resistance of the cell. It is shown by r.

  1. 1. The internal resistance of a cell depends on the distance between electrodes.

    $
    r \propto d
    $

    2. The internal resistance of a cell depends on the area of electrodes

    $
    r \propto A
    $

    3. Internal resistance of a cell depends on the concentration of electrolyte

    $
    r \propto c
    $

    5. Internal resistance of a cell depends on the temperature of the electrolyte

    $
    r \propto \frac{1}{t e m p}
    $
     

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Internal resistance

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