AIPMT 2014 | Electrostatics Question 33 | Physics

AIPMT 2014

MCQ (Single Correct Answer)

-1

In a region, the potential is represented by V(x, y, z) = 6x $$-$$ 8xy $$-$$ 8y + 6yz, where $$V$$ is in volts and x, y, z are in metres. The electric force experienced by a charge of 2 coulomb situated at point (1, 1, 1) is

$$6\sqrt 5 $$ N

30 N

24 N

$$4\sqrt {35} $$ N

AIPMT 2014

MCQ (Single Correct Answer)

-1

A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere rrespectively are

zero and $${Q \over {4\pi {\varepsilon _0}{R^2}}}$$

$${Q \over {4\pi {\varepsilon _0}R}}$$ and zero

$${Q \over {4\pi {\varepsilon _0}R}}$$ and $${Q \over {4\pi {\varepsilon _0}{R^2}}}$$

both are zero

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-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 90^o is

p² E

infinity

pE²

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-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

$$-$$Q/4

Q/4

$$-$$Q/2

Q/2

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