Question

Assertion (A): An electroscope can be used to find the presence of charge on a body.
Reason (R): It is based on the principle: Like charges repel each other.

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is not the correct explanation of A
• C. A is true but R is false
• D. A is false but R is true

Answer 1

The correct option is A Both A and R are true and R is the correct explanation of A

An electroscope can be used to find the presence of charge on a body. The suspended metal strips and the metal rod of electrosope are able to conduct electricity. When a charged object is touched with the metal rod, both strips gain same charge and repel each other. This resembles an inverted V.