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प्रश्न
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उत्तर
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संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit :
cell
Explain the concept of electric potential difference in terms of work done in transferring the charge.
A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.
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?
How electric current flows in solids?
How electric current flows in liquids?
State the factors on which the electrical resistance of a wire depends.
Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.
