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प्रश्न
What do you mean by an electric current?
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उत्तर
The flow of electrons in a particular direction in a conductor is called an electric current.
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संबंधित प्रश्न
What transformation of energy takes place when current is drawn from a 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.
Which sphere is at lower potential before electrical contact on the basis of convention?
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 conventional current flows?
State the unit of electric potential and define it.
How is potential difference related to work done and quantity of charge?
Select the correct option:
In a metallic conductor, electric current is thought to be due to movement of:
Draw a diagram showing two bulbs connected in series to a dry cell.
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
