Question:
A 2 V potentiometer is used to determine the internal
Last updated: 6/11/2023
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A 2 V potentiometer is used to determine the internal resistance of a 1 5 V cell the balance point of the cell in the open circuit is 75 cm When a resistor of 10 Q is connected across the cell the balance point shifts to 60 cm The internal resistance of the cell is 1 5 Q 2 5Q 3 5 Q 4 5 Q