Charging by Rubbing
Trending Questions
Q. How is charging by friction different from charging by induction? [4 marks]
Q. Which of the following cannot be charged easily by friction?
- Plastic scale
- Inflated balloon
- Woollen cloth
- Copper rod
Q. What is the nature of electrical charges generated by rubbing two objects?
- Static
- Mobile
- Positive
- Negative
Q. If the number of protons present in a body is the number of electrons, the body is positively charged.
- greater than
- less than
- equal to
Q. A spark can be generated by rubbing wool against amber.
- True
- False
Q. When a glass rod is rubbed with a silk cloth, glass loses and acquires a charge.
- neutrons
- protons
- electrons
- positive
- negative
Q. Transfer of electric charges can take place between two bodies through a conductor.
- True
- False
Q. On rubbing glass rod and silk, if the glass rod loses five electrons, wool gains electrons.
- less than five
- more than five
- five
Q. On earthing, a negatively charged body gains electrons to become neutral.
- False
- True
Q. There are three types of electric charges - positive, negative and neutral.
- False
- True