These 2 questions relate to a charged ball and an uncharged piece of metal foil:
1. When the charged ball is brought close to the uncharged piece of metal foil, without touching it, the ball:
a) repels the metal foil
b) attracts the metal foil
c) neither attracts or repels the metal foil
2. The effect of the ball on the piece of foil is due to the fact that:
a) positive charge is transferred from the ball to the metal foil.
b) the presence of the ball alters the distribution of charge in the metal foil.
c) there are equal numbers of positive and negative charges in the metal foil.
d) the charged ball can only influence a body which has a net charge
1. When the charged ball is brought close to the uncharged piece of metal foil, without touching it, the ball:
a) repels the metal foil
b) attracts the metal foil
c) neither attracts or repels the metal foil
2. The effect of the ball on the piece of foil is due to the fact that:
a) positive charge is transferred from the ball to the metal foil.
b) the presence of the ball alters the distribution of charge in the metal foil.
c) there are equal numbers of positive and negative charges in the metal foil.
d) the charged ball can only influence a body which has a net charge