AIPMT 2004 | Electrostatics Question 61 | Physics

AIPMT 2004

MCQ (Single Correct Answer)

-1

A bullet of mass 2 g is having a charge of 2 $$\mu $$C. Through what potential difference must it be accelerated, starting from rst, to acquire a speed of 10 m/s ?

5 kV

50 kV

5 V

50 V

AIPMT 2004

MCQ (Single Correct Answer)

-1

An electric dipole has the magnitude of its charge as q and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment is along the direction of the field, the force on it and its potential energy are respectively

2q.E and minimum

q.E and p.E

zero and minimum

q.E and maximum

AIPMT 2003

MCQ (Single Correct Answer)

-1

A charge q is located at the centre of a cube. The electric flux through any face is

$${{2\pi q} \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$

$${{4\pi q} \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$

$${{\pi q} \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$

$${q \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$

AIPMT 2002

MCQ (Single Correct Answer)

-1

Identical charges ($$-$$q) are placed at each corners of cube of side b then electrostatic potential energy of charge (+q) which is placed at centre of cube will be

$${{ - 4\sqrt 2 {q^2}} \over {\pi {\varepsilon _0}b}}$$

$${{ - 8\sqrt 2 {q^2}} \over {\pi {\varepsilon _0}b}}$$

$${{ - 4\,{q^2}} \over {\sqrt 3 \,\pi {\varepsilon _0}b}}$$

$${{8\sqrt 2 \,{q^2}} \over {4\,\pi {\varepsilon _0}b}}$$

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