NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 5

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IMPORTANT

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In the adjoining figure a charge $Q$ is fixed. Another charge $q$ is moved along a circular arc $M N$ of radius $r$ around it, from the point $M$ to the point $N$ such that the length of the arc $M N = l$ . The work done in this process is :

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Important Questions on Electric Potential

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IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 6

The electric field inside a hollow charged sphere is zero. The potential

V

will vary with distance

r

from the centre of the sphere as :

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NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 7

A pellet carrying a charge of

0.5 C

is accelerated from rest through a PD of

2000 V

. It attains a kinetic energy of:

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NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 8

The electric potential energy of a system of two positive point charges of

1 μC

each placed in air

1 m

apart is :

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NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 9

When a test charge is brought from infinity along the perpendicular bisector of an electric dipole, then the work done is :

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NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 10

An electric dipole of moment

\vec{P}

placed in a uniform electric field

\vec{E}

has minimum (maximum negative) potential energy when the angle between

\vec{P}

and

\vec{E}

is :

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NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 11

A hollow metal sphere fixed on an insulating stand is charged positively. The electric potential inside the sphere is :

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NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 1

How much work is done in taking an electron around a nucleus in a circular path?

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IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 2

Write the unit of electric potential in terms of the basic units of

SI

.