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Capacitors and Unit of Capacitance

A hollow unch...

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A hollow uncharged spherical conductor has inner radius A and outer radius b. A positive point charge +q is in the cavity at the center of the sphere (Fig. 3.48). Find the potential V( r) everywhere, assuming that at V=0 at r= infinty

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Q. A point charge Q is located at the center of the hollow spherical conductor of inner radius

R_{1}

and outer radius

R_{2}

, the conductor being uncharged initially. The potential at the inner surface will be

Q. A solid spherical conductor of radius

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Q. A positive charge '

Q

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Q. A non conducting sphere of radius

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^{'} b^{'}

^{'} c^{'}

^{'} - q^{'}

is concentric with the sphere (see the figure)
Read the following statements
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= \frac{1}{4 π ε_{0}} \frac{q r}{a^{3}}

r < a

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from the center of the sphere for

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(iii) The electric field at distance

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(iv) The charge on the inner surface of the hollow sphere

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(v) The charge on the outer surface of the hollow sphere

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