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प्रश्न
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संबंधित प्रश्न
What is a secondary cell?
How are the potential difference (V), current (l) and resistance (R) related?
State three factors on which the resistance of a wire depends. Explain how the resistance depends on the factors stated by you.
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?
State the relation between electric current; the number of electrons moving in a circuit and time in seconds.
Draw a diagram showing two bulbs connected in series to a dry cell.
What do you mean by an electric current?
A bulb is connected to a cell. How is the resistance of circuit affected if another identical bulb is connected (i) in series, (ii) in parallel, with the first bulb?
