Recent questions tagged electric charges and fields

+3 votes

1 answer

The surest test of magnetism is 1. attraction 2. repulsion

asked Apr 7, 2019 in Class 12 by kratos

+3 votes

1 answer

A hemisphere is uniformly positively charged. The electric field at a point on a diameter away from the centre is directed

asked Apr 7, 2019 in Class 12 by kratos

+1 vote

1 answer

Using Gauss’* law obtain the expression for the electric field,

asked Apr 7, 2019 in Class 12 by kratos

+2 votes

1 answer

Mention of expression for electric field due to a continuous charge distribution.

asked Apr 6, 2019 in Class 12 by kratos

+2 votes

1 answer

The safe speed of a vehicle on a horizontal curve road is independent of

asked Apr 6, 2019 in JEE by kratos

+2 votes

1 answer

Which among the curves shown in Figure cannot possibly represent electrostatic field lines?

asked Apr 4, 2019 in Class 12 by kratos

+1 vote

1 answer

Two point charges qA = 3 μC and qB = −3 μC are located 20 cm apart in vacuum.

asked Apr 2, 2019 in Class 12 by kratos

+3 votes

1 answer

An electric dipole with dipole moment 4 × 10^−9 C m is aligned at 30° with the direction of a uniform electric field of magnitude 5 × 10^4 N C^−1.

asked Apr 2, 2019 in Class 12 by kratos

+1 vote

1 answer

What is volume charge density ?

asked Apr 1, 2019 in Class 12 by kratos

+2 votes

1 answer

Figure shows four charges q1,q2,q3,q4 fixed in space. Then, the total flux of electric field through a closed surface *

asked Apr 1, 2019 in JEE by kratos

+3 votes

1 answer

A uniformly charged non conducting disc with surface charge density 10 nC/m^2 having radius 3 cm.

asked Mar 31, 2019 in Class 12 by kratos

+3 votes

1 answer

Derive the expression for electri field outside a uniform charge spherical shell

asked Mar 30, 2019 in JEE by kratos

+1 vote

1 answer

Four point +ve charges of same magnitude (Q) are placed at four corners of a rigid square frame as shown in figure.

asked Mar 30, 2019 in Class 12 by kratos

+1 vote

1 answer

Definition of SI unit of charge.

asked Mar 29, 2019 in Class 12 by kratos

+1 vote

1 answer

Four charges are arranged on y axis as shown in figure. Then the electric field at point P is proportional to:

asked Mar 28, 2019 in Class 12 by kratos

+3 votes

1 answer

A sphere of radius R carries charge such that its volume charge density is proportional to the square of the distance from the centre.

asked Mar 27, 2019 in Class 12 by kratos

+2 votes

1 answer

It is possible to have a positively charged body at

asked Mar 27, 2019 in Class 12 by kratos

+1 vote

1 answer

Assertion : All the charge in a conductor gets distributes on whole of its outer surface.

asked Mar 26, 2019 in Class 12 by kratos

+2 votes

0 answers

Using Gauss’* law in electrostatics, obtain the expression for electric field due to a uniformly charged thin spherical

asked Mar 26, 2019 in Class 12 by kratos

+1 vote

1 answer

What is meant by Electric Potential Difference ?

asked Mar 26, 2019 in JEE by kratos

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