(a) Write an expression to show the relationship between electric field strength, E and electric potential, V of a charged conductor. Hence, explain why the electric potential at any point inside the conductor is the same. (b) An isolated sphere of radius R carries a positive charge Q. If the electric potential on the sphere is V and r is the distance from the centre of the sphere, sketch a graph of (i) electric potential, V against distance r. (ii) electric potential, V against distance r if an uncharged conductor is brought near the above sphere.
(a) Write an expression to show the relationship between electric field strength, E and electric potential, V of a charged conductor. Hence, explain why the electric potential at any point inside the conductor is the same. (b) An isolated sphere of radius R carries a positive charge Q. If the electric potential on the sphere is V and r is the distance from the centre of the sphere, sketch a graph of (i) electric potential, V against distance r. (ii) electric potential, V against distance r if an uncharged conductor is brought near the above sphere.
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Transcribed Image Text:(a) Write an expression to show the relationship between electric field strength, E and electric
potential, V of a charged conductor. Hence, explain why the electric potential at any point
inside the conductor is the same.
(b) An isolated sphere of radius R carries a positive charge Q. If the electric potential on the
sphere is V and r is the distance from the centre of the sphere, sketch a graph of
(i) electric potential, V against distance r.
(ii) electric potential, V against distance r if an uncharged conductor is brought near
the above sphere.
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