Question

From the list of materials /objects given below classify as conductors and insulators Rubber, cork, pencil lead, iron nails, safety pins, knitting needles.

Answer 1

Answer:

conductor - pencil lead, iron nails,safety pins, knitting needles

Insulator - Rubber,Cork

Explaination:

Material which transport / conduct electricity is called conductor.

Material which don't transport/conduct electricity is called insulator.

Answer 2

Answer:

Rubber and cork are insulators whereas knitting needles,pencil lead,iron nails and safety pins are conductors.