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प्रश्न
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उत्तर
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संबंधित प्रश्न
Name the instrument used to control the current in an electric circuit.
Current in a circuit flows :
A cell of potential difference 12 V is connected to a bulb. The resistance of filament of bulb when it glows is 24Ω. Find the current drawn from the cell.
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.
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.
Which sphere is at lower potential before electrical contact on the basis of convention?
Explain the following:
Potential difference
