41. The electric field at a point situated at a distance d from straight charged conductor is
42. capacitors are used for audio frequency and radio frequency coupling and tuning.
43. at a point may be defined as equal to the lines of force passing normally through a unit cross section at that point.
44. When a dielectric is placed in an electric field the field strength
45. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be
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