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Beta Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise (Conceptual Questions)>Q 62

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What is the electric potential at a distance ' $x$ ' from the centre, inside a conducting sphere having a charge $Q$ and radius $R$ ?

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Important Questions on Electrostatics

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Beta Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise (Conceptual Questions)>Q 63

Certain positive charge is given to a conductor. Then its potential:

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Beta Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise (Conceptual Questions)>Q 64

Potential inside a charged spherical shell is:

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Beta Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise (Conceptual Questions)>Q 65

A solid conducting sphere having a charge

Q

is surrounded by an uncharged concentric conducting hollow spherical shell. Let the potential difference between the surface of
the solid sphere and that of the outer surface of the hollow shell be

V

. If the shell is now given a charge of

- 3 Q

, the new potential difference between the same two surfaces is

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Beta Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise (Conceptual Questions)>Q 66

Four charges

2 C, - 3 C, - 4 C

and

5 C

respectively are placed at the four corners of a square. Which of the following statements is true for the point of intersection of the diagonals?

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Beta Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise (Conceptual Questions)>Q 67

A non - conducting ring is of radius

0.5 m . 1.11 \times 10^{- 10}

coulombs charge is non - uniformly distributed over the circumference of ring which produces electric field

E

around itself. If

l = 0

is the centre of the ring, then the value of

\int_{l = \infty}^{l = 0} - \vec{E} . d l

is:

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Beta Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise (Conceptual Questions)>Q 68

A hollow metal sphere of radius

5 cm

is charged such that the potential on its surface is

10 volts

. The electric field at the centre of the sphere will be:

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Beta Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise (Conceptual Questions)>Q 70

Four charges

+ Q

,

- Q

,

+ Q

and

- Q

are situated at the corners of a square; in a sequence then at the centre of the square:

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Beta Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise (Conceptual Questions)>Q 71

If the electric field at a distance $x$ from the origin is given as $E = \frac{100}{x^{2}}$ , then the potential difference between the points situated at $x = 10 m$ and $x = 20 m$ is,