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प्रश्न
What is an electric cell?
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उत्तर १
An electric cell is a device which converts chemical energy into electrical energy. When connected in a circuit, it acts as a source of D.C. current.
उत्तर २
An electric cell is the source of electric current in which chemical energy changes to electrical energy.
संबंधित प्रश्न
Name one D.C. source and one A.C. source.
How is the resistance of a wire affected if its (a) length is doubled, (b) radius is doubled?
Name the physical quantity of which the unit is volt
A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.
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 two conditions necessary for a circuit, such that electric current flows through it.
