Physics-
General
Easy
Question
A solid metal sphere of radius 
has a charge +2Q. A hollow spherical shell of radius 3R placed concentric with the first sphere has net charge -Q. find calculate the potential difference between the spheres.
The correct answer is:
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b) 
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A solid metal sphere of radius R has a charge +2Q A hollow spherical shell of radius 3R placed concentric with the first sphere has net charge - Q.
What would be the final distribution of charges if the spheres are joined by a conducting wire.
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What would be the final distribution of charges if the spheres are joined by a conducting wire.
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A solid metal sphere of radius R has a charge +2Q A hollow spherical shell of radius 3R placed concentric with the first sphere has net charge - Q.
Find the electric field between the spheres at a distance 
from the centre of the inner sphere. [R<r<3R].
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Find the electric field between the spheres at a distance from the centre of the inner sphere. [R<r<3R].
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If q is positive 
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Question : In the figure 
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The amplitude of oscillation of the combined mass will be :
Electrostatic force on a charged particle is given by If q is positive and if q negative
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Electrostatic force on a charged particle is given by If q is positive and if q negative
Question : In the figure Block A is neutral while Sizes of A and B are negligible. B is released from rest at a distance 1.8 m from A. Initially spring is neither compressed nor elongated
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Equilibrium position of the combined mass is at x=……….m.
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If collision between A and B is perfectly inelastic, what is velocity of combined mass just after collision ?
Electrostatic force on a charged particle is given by If q is positive and if q negative
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