1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
A charge q is placed at the centre of the line joining two equal charges Q. The system of the three charges will be in equilibrium if q is equal to
A
$$-$$Q/4
B
Q/4
C
$$-$$Q/2
D
Q/2
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
An electric dipole of dipole moment p is aligned parallel to a uniform electric field E. The energy required to rotate the dipole by 90o is
A
p2 E
B
pE
C
infinity
D
pE2
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
A, B and C are three points in a uniform electric field. The electric potential is

NEET 2013 Physics - Electrostatics Question 59 English
A
maximum at C
B
same at all the three points A, B and C
C
maximum at A
D
maximum at B
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Two pith balls carrying equal charges are suspended from a common point by strings of equal length, the equilibrium separation between them is r. Now the strings are rigidly clamped at half the height. The equilibrium separation between the balls now become

NEET 2013 Physics - Electrostatics Question 58 English
A
$$\left( {{{2r} \over {\sqrt 3 }}} \right)$$
B
$$\left( {{{2r} \over 3}} \right)$$
C
$${\left( {{1 \over {\sqrt 2 }}} \right)^2}$$
D
$$\left( {{r \over {\root 3 \of 2 }}} \right)$$
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12