1.

A point positive charge is brought near an isolated conducting sphere as shown in figures. The electric field is best given by: (i) (ii) (iii) (iv)

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Solution :When + q CHARGE is placed near to metal sphere, the electrons in sphere set NEARER to + q and positive charges set away from +q.
Electric field lines from positive charge is PERPENDICULAR to surface and outwards and from negative charge is perpendicular to surface and inwards. This PROPERTY is SHOWN in (A).


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