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Standard XII

Physics

Archimedes' Principle

Two charged s...

Question

Two charged spheres separated at a distance d exert a force F on each other. If they are immersed in a liquid of dielectric constant 2, then the force (if all conditions are same) on each sphere is

$\frac{F}{2}$

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$F$

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$2F$

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$4F$

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Solution

The correct option is A
$\frac{F}{2}$

$F_{liq} = \frac{F_{air}}{K} = \frac{F}{2}$

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Two charged spheres separated at a distance d exert a force F on each other. If they are immersed in a liquid of dielectric constant 2, then the force (if all conditions are same) on each sphere is

The correct option is A F2 Fliq=FairK=F2

The correct option is A
$\frac{F}{2}$

$F_{liq} = \frac{F_{air}}{K} = \frac{F}{2}$