JEE Main 2021 — Current Electricity Question with Solution
From: JEE Main 2021 (Online) 18th March Evening Shift
Question
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 ___________.
The value of x, to the nearest integer, is ___________.
This question includes a diagram. The text above accompanies the figure.
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Show full solutionCorrect answer: 48
Correct answer
48
Step-by-step explanation
As galvanometer shows zero deflection so it act's as balanced wheatstone bridge.
14 2x = x
3x = 144
x = 48 cm
14 2x = x
3x = 144
x = 48 cm
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