In a potentiometer circuit a cell of EMF 1.5 V gives 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, the balance point occurs?

Question

Dr. Abubacker · Accepted Answer

[Solution] $E \propto l$: $l_2 = 36 	imes 2.5/1.5 = 60$ cm. Answer (4).

Q. In a potentiometer circuit a cell of EMF 1.5 V gives 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, the balance point occurs?

Explanation

Reviewed by Dr. Abubacker

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