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Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityElectrical instrumentEasy2 minQB

PhysicsEasynumerical

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

The value of $x$ , to the nearest integer, is

Answer:

48.00

Solution:

In balanced conditions,

$\frac{12}{6} = \frac{x}{72 - x}$

$\Rightarrow x = 48 c m$ .

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument

⏱ 2mℹ️ Source: QB

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