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A nonconducting sphere is given a non zero net electric charge +Q, and then brought close to a neutral conducting sphere of the same radius. Which of the following will be true?

Answer»

An electric field will be induced WITHIN the conducting sphere.
The conducting sphere will deveop a net electric CHARGE of -Q.
The sphere will be experience an electrostatic attraction
the spheres will experience an electrostatic repulsion.

Solution :The proximity of the charged sphere will induce negative charge to move to the side of the uncharged sphere closer to the charged sphere. SINCE the induced negative charge is closer than the induced positive charge to the charge sphere, there will be a net electrostatic attraction between the spheres.
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