Question

4. Classify the following materials as conductors and insulators: Coin, cork, rubber, glass, key, pin, plastic scale, wooden block, pencil lead, aluminium foil , candle, sewing needle, thermocol, paper, iron nail, incense stick, eraser, copper wire. Conductors
Insulators
​

Answer 1

Answer:

coin- conductor

cork- insulator

rubber- insulator

glass- insulator

key- conducter

pin- conductor

plastic scale- insulator

wooden block- insulator

pencil lead- conductor

aluminium foil- conductor

candle- conductor

sewing needle- conductor

thermocol- conductor

paper- insulator

iron nail - conductor

incense stick- insulator

eraser- insulator

copper wire- conductor

Answer 2

Answer:

coin - conductor

cork - insulator

rubber - insulator

glass - insulator

key - conductor

pin - conductor

plastic scale - insulator

wooden block - insulator