Question

Mohan takes an empty Jam bottle and places a piece of cardboard on its mouth. He pierces a hole in it and inserts a metal paper clip and also hangs two strips of Aluminium foil on the paper clip. Can you name this device? 
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Answer 1

Answer:

Electroscope is the correct answer.

Answer 2

• As we know that the device name is an electroscope.

• The metal paper clip is a good conductor of electricity.

• Through these metal papers, aluminum foil gets the same charge from charged refill. the same charges repel each other.

• Foil strips behave in the same way if other charged bodies touch with the metal paper clip.

• It is observed that electrical charges can be transferred.

• Through a metal conductor from a charged object to another.