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प्रश्न
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.
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उत्तर
Reason:
The leaves of an electroscope diverge because when a glass rod is touched on the metal disc, the charge travels through the metal rod to the leaves. Since, like charge repel, the charge travels till the leaves and then opens up as both the leaves have like charges.
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संबंधित प्रश्न
Electroscope is a device used to charge a body by induction.
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.
In an electroscope, if a negatively charged body is brought in contact with the metal dip, the strips of the electroscope diverge. If now another charged object carrying equal amount of positive charge is brought in contact with the clip, what will happen?
Lighting occurs due to ______.
Before using an electroscope, it should be ______.
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.
