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प्रश्न
What is earthing?
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उत्तर
Earthing is the process of connecting the exposed metal parts of an electrical circuit to the ground.
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संबंधित प्रश्न
Electroscope is a device used to charge a body by induction.
Give a reason for the following
When you touch the metal disc of an electroscope with a charged glass rod the metal leaves get diverged.
What is electroscope? Explain how it works.
The strips of an electroscope diverge when a charged body is brought in contact with the metal clip. Now the clip is touched gently by our hand. What will happen to the strips? Explain.
If the metal clip used in the electroscope is replaced by an ebonite rod and a charged body is brought in contact with it, will there be any effect on the aluminium strips? Explain.
Before using an electroscope, it should be ______.
The gold-leaf electroscope was developed in ______.
Assertion: Insulators do not allow a flow of current through them.
Reason: Insulators have no free charge carrier
Assertion: When both the strips of the electroscope are charged with a similar charge, they repel each other and become wide open.
Reason: Like charges always repel each other.
What do you mean by electrical Earthing?
