Physics
Fill in the blanks:
(a) Like charges …………… while unlike charges …………… .
(b) Mercury is a …………… of electricity while pure water is …………… of electricity.
(c) An ebonite rod when rubbed with fur acquires the …………… charge.
(d) When an uncharged conductor is brought in contact with the disc of a gold leaf electroscope, its leaves …………… .
(e) Charge is shared in charging a conductor by the method of …………… .
Static Electricity
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Answer
(a) repel, attract
(b) conductor, insulator
(c) negative
(d) will remain unchanged
(e) conduction
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Related Questions
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.
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?
Figure below shows a metal rod AB placed on an insulating stand. In Fig.(a), a negatively charged ebonite rod C is touched with the metal rod AB, while in Fig.(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.
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?