1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-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
A
2q.E and minimum
B
q.E and p.E
C
zero and minimum
D
q.E and maximum
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
A charge q is located at the centre of a cube. The electric flux through any face is
A
$${{2\pi q} \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$
B
$${{4\pi q} \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$
C
$${{\pi q} \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$
D
$${q \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-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
A
$${{ - 4\sqrt 2 {q^2}} \over {\pi {\varepsilon _0}b}}$$
B
$${{ - 8\sqrt 2 {q^2}} \over {\pi {\varepsilon _0}b}}$$
C
$${{ - 4\,{q^2}} \over {\sqrt 3 \,\pi {\varepsilon _0}b}}$$
D
$${{8\sqrt 2 \,{q^2}} \over {4\,\pi {\varepsilon _0}b}}$$
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Some charge is being given to a conductor. Then its potential is
A
maximum at surface
B
maximum at centre
C
remain same throughout the conductor
D
maximum somewhere between surface and centre.
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