Physics-
General
Easy
Question
If a charge q is moving towards the centre of an earthed conducting sphere of radius b with uniform velocity v. Distance of two points A and B from centre of sphere are 3a&2a. Conducting sphere is earthed with an ammeter and resistance in series (as shown)
reading of ammeter at this instant
- Zero
The correct answer is:
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If a charge q is moving towards the centre of an earthed conducting sphere of radius b with uniform velocity v. Distance of two points A and B from centre of sphere are 3a&2a. Conducting sphere is earthed with an ammeter and resistance in series (as shown)
Net charge on surface of conductor at this instant
If a charge q is moving towards the centre of an earthed conducting sphere of radius b with uniform velocity v. Distance of two points A and B from centre of sphere are 3a&2a. Conducting sphere is earthed with an ammeter and resistance in series (as shown)
Net charge on surface of conductor at this instant
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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.
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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.
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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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physics-General
