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प्रश्न
When a charged rod is touched with the disc of a positively charged gold-leaf electroscope, it is observed that the divergence of leaves decreases. What is the kind of charge on the rod?
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उत्तर
As on touching the disc with the charged rod, divergence in the leaves decreases, this means the rod has opposite kind of charge than leaves i.e. rod has a negative charge.
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संबंधित प्रश्न
Human body is a conductor of electricity.
A glass rod rubbed with silk repels an ebonite rod rubbed with fur.
When an uncharged conductor is brought in contact with the disc of a gold leaf electroscope, its leaves ....................
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.
In each of the following cases, State which body loses electrons:
(a) A glass rod when rubbed with silk.
(b) An ebonite rod when rubbed with fur.
An ebonite rod is rubbed with fur. Explain the charging of the ebonite rod and the fur on the basis of electron movement.
A metal rod A is to be charged positively by using another charged rod B. What should be the kind of charge on the rod B if charging is to be done by conduction?
Describe a pith ball electroscope. how can you use it to test whether a body is charged or uncharged?
State three safety measures that you will observe in thunder storm.
What are the characteristics of a static electric charge?
