In a potentiometer experiment, the balancing length for a cell is found to be . If the driver cell is replaced by another cell of double the emf, what will be the new balancing length, assuming all other parameters remain constant?
Related Questions
For measurement of potential difference, potentiometer is preferred in comparison to voltmeter because
Potentiometer is more sensitive than voltmeter
The resistance of potentiometer is less than voltmeter
Potentiometer is cheaper than voltmeter
Potentiometer does not take current from the circuit
In a potentiometer circuit, a cell of EMF 1.5 V gives a balance point at 36 cm length of wire. If another cell of EMF 2.5 V replaces the first cell, then at what length of the wire will the balance point occur?
21.6 cm
60 cm
25 cm
45 cm
