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Q.

Who invented GLE?


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a

Michael Faraday

b

Abraham Bennet

c

Thomas Edison

d

Albert Einstein 

answer is B.

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Detailed Solution

This is because the gold leaf electroscope was invented by a physicist Abraham Bennet. So, a gold leaf electroscope is made of brass. Therefore brass is an alloy of copper and zinc which makes the brass solid and strong. Hence, gold leaf electroscope has two gold leafs which is vacuumed in a glass jar and connected to a metal cap and the glass is grounded with the help of a metal foil to make it uncharged.
 
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