Question

b) Classify the following as conductor or insulator:
coin, air, distilled water, sewing needle​

Answer 1

Answer:

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Answer 2

Answer:

Hey dear here is your answer

Coin : Conductor

Air : Insulator

Distilled water : Insulator

Sewing needle : Conductor

Explanation:

• All the objects made of metals or metal alloys are also conductors. The objects such as coins, keys ,pins, aluminium foil, sewing needles and iron nail are all conductors of electricity. Coins and sewing needles are made of metals and alloys, so they are conductor of electricity.
• Air (like in the atmosphere) is actually an excellent electrical insulator. This means that electricity can be sent through a conductor and it won't jump through the air.
• Distilled water has had all of the minerals removed from it which makes it an insulator rather than a conductor. Hence, distilled water is not a good conductor of electricity.

Hope this helps you