Advertisements
Advertisements
Question
A glass rod is rubbed with silk. State the kind of charge acquired by each.
Advertisements
Solution
When a glass rod is rubbed with silk, the glass rod which has free electrons get transferred to the silk cloth. The glass rod has a deficiency of electrons acquired a positive charge while the silk cloth acquires electrons, therefore acquires a negative charge.
APPEARS IN
RELATED QUESTIONS
An electrical appliance is rated as 60 W – 150 V.
What do you understand by this statement?
Mercury is a ............ of electricity while pure water is ............ of electricity.
Match the following
| Column A | Column B |
| A. Two like charges | 1 negative charge |
| B. Two unlike charges |
2 repel |
| C. Silver is a | 3 insulator |
| D. Silk is an | 4 attract |
| E. Ebonite rod rubbed with fur acquires | 5 conductor |
Charging a conductor by bringing another charged conductor close to it without touching is called
Two objects when rubbed together get charged. The charges on them are
Name three constituents of an atom and state the kind of charge on each of them.
In each of the following cases, State which body loses electrons:
(a) A glass rod when rubbed with silk.
(b) An ebonite rod when rubbed with fur.
Explain the charging by conduction in terms of movement of electrons.
A negatively charged ebonite rod is touched with the disc of a negatively charged gold leaf electroscope. What will be your observation?
State three safety measures that you will observe in thunder storm.
