Home
Class 12
PHYSICS
The variation of potential difference V ...

The variation of potential difference V with length `l` in the case of two potentiometers, P and Q is as shown in the figure. Which of these two will you prefer for comparing the emf's of the two primary cells?

Promotional Banner

Similar Questions

Explore conceptually related problems

Which one will you prefer to measure em.f of a cell, a potentiometer or a voltmeter?

Which one will you prefer to measure em.f of a cell, a potentiometer or a voltmeter?

What is potentiometer? With the help of circuit diagram, explain how a potentiometer can be used to compare the emf of two primary cells.

Explain how will you compare the e.m.f’s of two cells by a potentiometer.

V-I graph for a metallic wire at two different temperatuare T_1 and T_2 is as shown in the following figure. Which of the two temperature T_1 and T_2 is higher and why?

V-I graph for a mettalic wire at two different temperatures T_1 and T_2 is as shown in figure. WHich of the temperatures T_1 and T_2 is higher and why.