If the distance between two charges Q₁, and Q₂ is doubled, the electrostatic force of repulsion between them will:
remain the same.
increase.
double.
reduce.
The figure shows two uncharged identical metal spheres A and B in contact and a positively charged metal rod, R, placed close to A but not touching it.
Without any further action, the charges on A and B are respectively.
Positive and positive.
Negative and positive.
Negative and uncharged.
Positive and negative.
Which of the following affects the force between two charged bodies?
Speed of the bodies.
Mass of the bodies.
Distance between the bodies.
Weight of the bodies.
