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प्रश्न
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उत्तर
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संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit :
cell
Explain why does a metal wire when connected to a cell offer resistance to the flow of current.
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
State and define the SI unit of electric current.
Select the correct option:
In a metallic conductor, electric current is thought to be due to movement of:
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:
battery
Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.
