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संबंधित प्रश्न
What transformation of energy takes place when current is drawn from a cell?
What is the function of a key (or switch) in an electric circuit?
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?
What do you understand by the term electric current?
Label the different parts A, B, C, D, E, and F. State the functions of each part. Show in the diagram the direction of flow of current.
State three factors on which the resistance of a wire depends. Explain, how does the resistance depend on the factors stated by you.
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
