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प्रश्न
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संबंधित प्रश्न
State and define the S.I. unit of potential difference.
What do you understand by the term resistance?
State three factors on which the resistance of a wire depends. Explain how the resistance depends on the factors stated by you.
The unit of potential difference is :
On increasing the resistance in a circuit, the current in it :
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 higher 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?
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?
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
