When an electric dipole p r is kept in a uniform electric field Er then for what value of angle between p r and E r will the torque be maximum ?
A. 90°
B. 0°
C. 180°
D. 45°
Answer:A
When an electric dipole p r is kept in a uniform electric field Er then for what value of angle between p r and E r will the torque be maximum ?
A. 90° B. 0° C. 180° D. 45°