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प्रश्न
State the S.I. unit of resistance.
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उत्तर
संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit :
rheostat
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?
The unit of potential difference is :
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
In which direction electronic current flows?
State the unit of electric potential and define it.
State the kind of charge on a positive ion.
What do you mean by the potential difference? Write its SI unit.
State three factors on which the resistance of a wire depends. Explain, how does the resistance depend on the factors stated by you.
