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प्रश्न
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उत्तर
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संबंधित प्रश्न
A cell is used to :
State and define the S.I. unit of resistance.
What do you understand by the term electric potential?
State SI unit of electric charge and define it.
How is potential difference related to work done and quantity of charge?
The following figure shows a metal rod PQ mounted on an insulated stand. The cap of an uncharged electroscope touches one end Q of the metal rod. A negatively charged ebonite rod is brought near the other end P of the metal rod.
(a) What charge does the end P have?
(b) What charge does the end Q have?
(c) What charge does the cap of the electroscope have?
(d) What charge does the gold leaf have?
(e) Will the leaf diverge or collapse? Give reason.
(f) If the electroscope is now earthed, what charge does the metal rod have?
Explain the following:
Potential difference
