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Correct diagram for the determination of...

Correct diagram for the determination of internal resistance of a primary cell by potentiometer

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C

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Internal resistance of primary cell depends on :–

The internal resistance of a cell by potentiometer is given by

Determination Of Internal Resistance Of A Cell

3V poteniometer used for the determination of internal resistance of a 2.4V cell. The balanced point of the cell in open circuit is 75.8cm. When a resistor of 10.2Omega is used in the external circuit of the cell the balance point shifts to 68.3cm length of the potentiometer wire. The internal resistance of the cell is

Figure shows a 2.0V potentiometer used for the determination of internal resistance of a 1.5V cell , When the key is not inserted in the plug , the balance point is at 60 cm and in the closed circuit the balance point is at 50 cm. Find the internal resistance of the cell .

Figure 6.13 shows a 2.0 V potentiometer used for the determination of internal resistance of a 1.5 V cell. The balance point of the cell in open circuit is 76.3 cm . Whan a resistor of 9.5 Omega is used in the external circuit of the cell, the balance point shifts to 64.8 cm , length of the potentiometer. Dentermine the internal resistance of the cell.

Internal Resistance Of A Cell

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