Two potentiometers A and B having 4 wires and 10 wires, each having 100 cm in length are used to compare e.m.f. of 2 cells. Which one will give a larger balancing length?
(a) Balancing length doesn't depend on the total length of the wire.
(b) Both A and B will give same balancing length
(c) Potentiometer B
(d) Potentiometer A