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प्रश्न
The lightning conductor is made up of:
पर्याय
copper
glass
ebonite
wood
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उत्तर
copper
APPEARS IN
संबंधित प्रश्न
When an ebonite rod is rubbed with fur, the electrons move from ebonite to fur.
When a comb is rubbed with dry hair both comb and paper get similarly charged.
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An ebonite rod rubbed with fur is suspended near another ebonite rod rubbed with fur. State your observation and give a reason to support your answer.
Give one example each of a conductor and an insulator of electricity.
Figure below shows a metal rod AB placed on an insulating stand.
In figure (a) a negatively charged ebonite rod C is touched with the metal rod AB, while in figure (b), the negatively charged ebonite rod C is held near the rod AB. State the kind of charges at the ends A and B of the rod, in each case.
How will you use a gold leaf electroscope to find out whether the charge on a charged body is positive or negative?
How is a tall building protected from damage due to lightning?
