Question

The positive terminal of an electric cell was connected to a torch bulb holder. The other end of the bulb holder connected to a crocodile clip. The negative terminal of the cell was connected to another crocodile clip by wire. When a material x was held between the two free ends the bulb started glowing.

a) what is the general name of the material like (i) x, and (ii) Y?

b) Name one material each which could behave like x and (i) Y?

c) which part /parts of an electric plug is/are made of materials like (i) x and (ii) Y​

Answer 1

Answer:

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Answer 2

Answer:

a) the materials are generally called as the conductor

b) metal is a type of conductor and copper is also a type of conductor

c) the ends of the electric plug is made with the materials of X and Y