EASY
12th CBSE
IMPORTANT
Earn 100

Draw a diagram to show lines of force in a plane containing two equal point charges of opposite sign separated by a small distance. Giving reason, indicate on the diagram a point where a small positive charge experiences a force parallel to the line joining the two charges.

Important Questions on Electric Charges and Field

EASY
12th CBSE
IMPORTANT
What is meant by the statement that the electric field of a point charge has spherical symmetry whereas that of an electric dipole is cylindrically symmetric?
EASY
12th CBSE
IMPORTANT
An electric dipole free to move is placed in a uniform electric field. Explain along with diagram its motion when it is placed parallel to the field.
EASY
12th CBSE
IMPORTANT
An electric dipole free to move is placed in a uniform electric field. Explain along with diagram its motion when it is placed perpendicular to the field.
MEDIUM
12th CBSE
IMPORTANT

An electric dipole is a pair of equal and opposite charges, separated by a small fixed distance between them. The dipole is free to move. What is the action on it, when it is placed in a uniform electric field.

EASY
12th CBSE
IMPORTANT
An electric dipole is a pair of equal and opposite charges, separated by a small fixed distance between them. The dipole is free to move. What is the action on it, when it is placed in a non-uniform electric field?
MEDIUM
12th CBSE
IMPORTANT
An electric dipole of dipole moment p is placed in a uniform electric field E. Write the expression for the torque τ experienced by the dipole. Identify two pairs of perpendicular vectors in the expression. Show diagrammatically the orientation of the dipole in the field for which the torque is maximum.
MEDIUM
12th CBSE
IMPORTANT
An electric dipole of dipole moment p is placed in a uniform electric field E. Write the expression for the torque τ experienced by the dipole. Identify two pairs of perpendicular vectors in the expression. Show diagrammatically the orientation of the dipole in the field for which the torque is half the maximum value.
EASY
12th CBSE
IMPORTANT
An electric dipole of dipole moment p is placed in a uniform electric field E. Write the expression for the torque τ experienced by the dipole. Identify two pairs of perpendicular vectors in the expression. Show diagrammatically the orientation of the dipole in the field for which the torque is zero.