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प्रश्न
What do you understand by the term resistance?
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उत्तर
The obstruction offered to the flow of current by the filament or wire is called its electrical resistance.
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संबंधित प्रश्न
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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.

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(b) What charge does the end Q have?
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(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?
What is the physical meaning of resistance?
