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प्रश्न
Mercury is a ............ of electricity while pure water is ............ of electricity.
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उत्तर
Mercury is a conductor of electricity while pure water is insulator of electricity.
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संबंधित प्रश्न
When an ebonite rod is rubbed with fur, the electrons move from ebonite to fur.
The cap of gold leaf electroscope is made of copper.
If a glass rod rubbed with silk is brought near the cap of a negatively charged electroscope, the divergence of leaves will decrease.
To find whether the charge on a body is positive or negative, an uncharged electroscope is used.
What is the net charge on an atom?
Name the way of charging a conductor in which the charge is shared.
Describe the method of charging a conductor by induction.
Explain the charging by induction in terms of movement of electrons.
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.
A negatively charged ebonite rod is touched with the disc of a negatively charged gold leaf electroscope. What will be your observation?
