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PhysicsElectrostaticsElectric Field & ForceMedium2 minPYQ_2020

PhysicsMediumsingle choice

Two isolated conducting spheres $S_{1}$ and $S_{2}$ of radius $\frac{2}{3} R$ and $\frac{1}{3} R$ have $12 μ C$ and $- 3 μ C$ charges, respectively, and are at a large distance from each other, They are now connected by a conducting wire. A long time after this is done the charges on $S_{1}$ and $S_{2}$ are respectively:

Options:

Answer:

Solution:

Total charge $= 12 - 3 = 9 μ C$
If final charges are $q_{1}$ and $q_{2}$
$\frac{q_{1}}{q_{2}} = \frac{R_{1}}{R_{2}} = \frac{2}{1}$
$q_{1} = 6 μ C$
$q_{2} = 3 μ C$

Stream:JEESubject:PhysicsTopic:ElectrostaticsSubtopic:Electric Field & Force

⏱ 2mℹ️ Source: PYQ_2020

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