Consider a 72   cm long wire A B as shown in the figure. The galvanometer jockey is placed at P on A B…

Consider a 72 cm long wire AB as shown in the figure. The galvanometer jockey is placed at P on AB at a distance x cm from A. The galvanometer shows zero deflection.

The value of x, to the nearest integer, is

Solution

In balanced conditions,

 126=x72-x

x=48 cm.

Asked in: JEE Main 2021 (18 Mar Shift 2)

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