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प्रश्न
The power of an electric device is a product of ______ and ______.
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उत्तर
The power of an electric device is a product of electric current and the potential difference.
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संबंधित प्रश्न
Calculate the number of electrons constituting one coulomb of charge.
How many milliamperes as there in 1 ampere?
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(a) In which circuit are the lamps dimmest?
(b) In which circuit or circuits are the lamps of equal brightness to the lamps in circuit (i)?
(c) Which circuit gives out the maximum light?
Define the term resistivity.
Calculate the current through a 60 W lamp rated 250 V. If the line voltage falls to 200 V, how is power consumed by the bulb affected?
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Give the electric current unit.
