When a resistor of 5 2 resistance is connected across a cell, its terminal potential difference is balanced by 150 cm of a potentiometer wire and when a resistor of 10 2 resistance is connected across the cell the ferminal P.D. is balanced by 175 cm of the potentiometer wire. Calculate the terminal resistance of the cell.

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When a resistor of 5 2 resistance is
connected across a cell, its terminal potential
difference is balanced by 150 cm of a
potentiometer wire and when a resistor of
10 2 resistance is connected across the cell the
ferminal P.D. is balanced by 175 cm of the
potentiometer wire. Calculate the terminal
resistance of the cell.
Transcribed Image Text:When a resistor of 5 2 resistance is connected across a cell, its terminal potential difference is balanced by 150 cm of a potentiometer wire and when a resistor of 10 2 resistance is connected across the cell the ferminal P.D. is balanced by 175 cm of the potentiometer wire. Calculate the terminal resistance of the cell.
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