NCERT Physics Class 12 Exemplar Chapter 1 Electric Charges and Fields Part 3 (For CBSE, ICSE, IAS, NET, NRA 2023)
Get top class preparation for CBSE/Class-12 right from your home: get questions, notes, tests, video lectures and more- for all subjects of CBSE/Class-12.
Q. 5 Figure shows electric field lines in which an electric dipole p is placed as shown. Which of the following statements is correct?
- The dipole will not experience any force.
- The dipole will experience a force towards right.
- The dipole will experience a force towards left.
- The dipole will experience a force upwards.
Answer: C
Q. 6 A point charge , is placed at a distance from an isolated conducting plane. The field at a point on the other side of the plane is
- Directed perpendicular to the plane and away from the plane.
- Directed perpendicular to the plane but towards the plane.
- Directed radially away from the point charge.
- Directed radially towards the point charge.
Answer: A
Q. 7 A hemisphere is uniformly charged positively. The electric field at a point on a diameter away from the centre is directed
- Perpendicular to the diameter
- Parallel to the diameter
- At an angle tilted towards the diameter
- At an angle tilted away from the diameter.
Answer: A
One or More Than One Correct Answer Type
Q. 8 If over a surface, then
- The electric field inside the surface and on it is zero.
- The electric field inside the surface is necessarily uniform.
- The number of flux lines entering the surface must be equal to the number of flux lines leaving it.
- All charges must necessarily be outside the surface.
Answer: (C) , (D)