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JEE PYQ: Experimental Physics Question 3

Question 3 - 2021 (18 Mar 2021 Shift 2)

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

Show Answer

Answer: 48

Solution

In balanced conditions, $\frac{12}{6} = \frac{x}{72 - x}$. Solving, $x = 48$ cm.


Learning Progress: Step 3 of 28 in this series