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प्रश्न
'The resistance of a wire is 2 ohm'. Explain the meaning of this statement.
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उत्तर
The resistance of the wire is 2 ohms if a current of 1 ampere flows through it when the potential difference across it is 2 volt.
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संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit :
voltmeter
Name the physical quantity of which the unit is coulomb
Name the physical quantity of which the unit is ohm
A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.
What do you understand by the term quantity of electric charge?
Is electric current a scalar quantity?
State the factors on which the electrical resistance of a wire depends.
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
