Identify the group of insulators from the following?
Plastic, wood and rubber
The correct answer is Plastic, wood and rubber.
Materials used in switches, sockets, and electrical casings (often plastic or ceramic). Components in electrical devices to isolate different parts. Supports for overhead power lines (like ceramic or glass insulators). Understanding the difference between conductors and insulators is fundamental in studying electricity and electrical safety.
Important Questions from A Charged Isolated Conductor
Directions: The following question consists of two statements one labeled as “Assertion” and the other as “Reason”. You have to examine these two statements carefully and select the correct answer to the question from the given options.
Assertion(A) : When a comb is rubbed with dry hair it attracts small bits of paper.
Reason(R) : When the comb is rubbed with dry hair, it gains electrons from the hair and acquires a negative charge.
