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12th CBSE
IMPORTANT
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How does the coulomb force between two point charges depend upon the dielectric constant of the medium?

Important Questions on Electric Charges and Field

EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 77
Two fixed point charges +4e and +e units are separated by a distance a. Where should a third charge q be placed for it to be in equilibrium? 
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 78
What is the angle between the directions of electric field at any (i) axial point and (ii) equatorial point due to an electric dipole?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 79
How does the electric flux due to a point charge enclosed by a spherical Gaussian surface get affected when its radius is increased?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 80
A dipole, of dipole moment p→, is present in a uniform electric field E→. Write the value of the angle between p→ and E→ for which the torque, experienced by the dipole, is minimum.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 81
A charge 'q’ is placed at the centre of a cube. What is the electric flux passing through the cube?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 82
A charge 'q' is placed at the centre of a cube of side l. What is the electric flux passing through each face of the cube?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 83
A charge 'q' is placed at the centre of a cube of side l. What is the electric flux passing through two opposite faces of the cube?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Text Based Exercises>Q 84
A charge Q μC is placed at the centre of a cube. What is the flux coming out from any one surface?