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प्रश्न
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उत्तर
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संबंधित प्रश्न
State and define the S.I. unit of resistance.
The unit of potential difference is :
A cell of potential difference 12 V is connected to a bulb. The resistance of filament of bulb when it glows is 24Ω. Find the current drawn from the cell.
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
What is the potential of the spheres after electrical contact?
What do you understand by the term electric potential?
4 × 1020 electrons flow through a circuit in 10 hours. Calculate magnitude of current. [1 e- = 1.6 × 10-19 C]
Assuming that the charges of an electron is 1.6 × 10-19 coulombs, the number of electrons passing through a section of wire per sec, when the wire carries a current of one ampere is:
What is the SI unit of resistance?
