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प्रश्न
Which effect of current is utilised in an electric light bulb?
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उत्तर
The heating effect of current is utilised in an electric bulb.
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संबंधित प्रश्न
Calculate the number of electrons constituting one coulomb of charge.
Which of the following units could be used to measure electric charge?
(a) ampere
(b) joule
(c) volt
(d) coulomb
One coulomb charge is equivalent to the charge contained in:
(a) 2.6 × 1019 electrons
(b) 6.2 × 1019 electrons
(c) 2.65 × 1018 electrons
(d) 6.25 × 1018 electrons
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(a) P.d. across the junction XY,
(b) Current flowing through 9Ω and 24Ω
( c) P.d. across 24 Ω resistor, and
( d) e.m.f. of the cell.
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Current can produce magnetic field.
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