1.What will happen if two uncharged objects are placed close to each

other?

A. Attract B. Neutralize C. Repel D. No effect

2.A negatively charged rod is brought near a metal can that rests on a

wooden stand. You touch the

opposite side of the can

momentarily with your finger. If

you remove your finger before

removing the rod, what will

happen to the charge of the can?

A. be discharged C. become positively charged

B. remain as it was D. become negatively charged


3.A charged iron rod is brought near a metal ball that is mounted on a

rubber sheet. If the metal

ball acquired a negative

charge after it was grounded

momentarily, what must be

the charged of the iron rod?

A. Negative B. Neutral C. Positive D. Uncertain​