AIPMT 2015 Cancelled Paper | Electrostatics Question 34 | Physics

The electric field in a certain region is acting radially outward and is given by E = Ar. A charge contained in a sphere of radius 'a' centred at the origin of the field, will be given by

$$4\pi {\varepsilon _0}A{a^3}$$

$${\varepsilon _0}A{a^3}$$

$$4\pi {\varepsilon _0}A{a^2}$$

$$A{\varepsilon _0}{a^2}$$

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

Previous Next

NEET Subjects

Biology

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution