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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
The body which has lost electrons becomes ________.
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.
Give a reason for the following.
In an electroscope, the connecting rod and the leaves are all metals.
What is electroscope? Explain how it works.
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.
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?
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
