Very Short Answer Type Questions
1. What are the two kinds of electric charges?
2. What kind of electric charge is acquired:
(a) by a glass rod rubbed with silk cloth?
(b) by a plastic comb rubbed with dry hair?
3. What type of electric charge is acquired by a rubber balloon when rubbed with a woollen cloth ?
4. A negatively charged object attracts another charged object placed near it. What is the nature of charge on
the other object?
5. A positively charged object repels another charged object kept close to it. What is the nature of charge on
the other object?
6. A negatively charged object repels another charged object held near it. What is the nature of charge on the
other object?
Answers
Answer:
Question 1.
What are the two kinds of electric charges?
Answer:
There are two types of charges: Positive charge and negative charge. Like charges repel each other and unlike charges attract each other.
Question 2.
What kind of electric charge is acquired:
(a) by a glass rod rubbed with silk cloth?
(b) by a plastic comb rubbed with dry hair?
Answer:
(a) After rubbing the glass rod with silk cloth, the glass rod becomes positively charged. The silk cloth becomes negatively charged.
Question 3.
What type of electric charge is acquired by a rubber balloon when rubbed with a woolen cloth?
Answer:
The rubber balloon becomes negatively charged when rubbed with a woolen cloth.
Question 4.
A negatively charged object attracts another charged object placed near it. What is the nature of charge on the other object?
Answer:
The nature of charge on the other object will be positive. This is because like charges repel each other and unlike charges attract each other.
Question 5.
A positively charged object repels another charged object kept close to it. What is the nature of charge on the other object?
Answer:
The nature of charge on the other object will be positive. This is because like charges repel each other and unlike charges attract each other.
Question 6.
A negatively charged object repels another charged object held near it. What is the nature of charge on the other object?
Answer:
The nature of charge on the other object is negative. This is because like charges repel each other and unlike charges attract each other.