Methods of Charging

Q. When a glass rod is rubbed with a silk cloth, electrons flow from the glass rod to the silk cloth.

1. True
2. False

Q. An uncharged conductor can be charged by:

1. Conduction
2. Induction
3. Radiation
4. All of the above.

Q. What charge is acquired by the glass rod when it is rubbed with a piece of silk?

1. Either positive or negative
2. Neutral
3. Positive
4. Negative

Q. Which of these is/are methods of charging?

1. Charging by friction
2. Charging by induction
3. Charging by rotation
4. Charging by motion

Q.

Two metal balls are suspended as shown in the figure. A glass rod is rubbed with silk to make it charged. Now, both the balls are individually touched with this glass rod. What would we observe?

1. The balls attract each other.
2. The balls repel each other.
3. Neither attraction nor repulsion
4. The balls will heat up.

Q.

When two charged glass rods, after being rubbed with a silk cloth are brought towards each other, they ___.

1. neither attract nor repel

2. cannot be determined

3. attract each other

4. repel each other

Q.

When two charged glass rods, after being rubbed with a silk cloth are brought towards each other, they ___.

1. cannot be determined

2. neither attract nor repel

3. attract each other

4. repel each other

Q.

Two metal balls are suspended as shown in the figure. A glass rod is rubbed with silk to make it charged. Now, both the balls are individually touched with this glass rod. What would we observe?

1. The balls attract each other.
2. The balls repel each other.
3. The balls will heat up.
4. Neither attraction nor repulsion

Q.

Which of these is/are methods of charging?

1. Charging by friction

2. Charging by induction

3. Charging by rotation

4. Charging by motion

Q. When a glass rod is rubbed with a silk cloth, electrons flow from the glass rod to the silk cloth.

1. True
2. False