Question

describe a simple experiment to prove that -a copper wire conducts electricity,but a piece of coal does not​

Answer 1

Answer:

make a simple circuit

touch the bare ends of wire with copper

the bulb will glow

then touch the bare ends of wire with coal

the bulb will not glow

Answer 2

Answer

Solution :

To prove - Copper conducts electricity

Required - Copper, battery, bulb and loose wire

Procedure - Join the wire with the battery, copper and bulb

Observation - The bulb glows when current passes through because copper conducts electricity.

To prove - Coal does not conduct electricity

Required - A coal, bulb, battery and wire

Procedure - Join the wire with battery, coal and bulb

Observation - The bulb does not glow as coal is a bad conductor of electricity