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प्रश्न
Tick(✓) the correct choice in the following:
24 watt, 12 volt head lamp is fully lit by connecting it to a 12 volt
battery. The working resistance of the lamp is
पर्याय
5Ω
4Ω
1 Ω
6Ω
2Ω
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उत्तर
6Ω
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संबंधित प्रश्न
Draw the electrical symbols of the following components and state its use:
Ammeter.
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State the S.I. unit of current.
The rating of a fuse connected in the lighting circuit is:
(a) 15 A (b) 5 A (c) 10 A (d) Zero
Distinguish between an open and a closed circuit.
Electrical power P is given by the expression P = (Q × V) ÷ time
(a) What do the symbols Q and V represent?
(b) Express the power P in terms of current and resistance explaining the meanings of symbols used there in.
Give the electric current unit.
MCB is used to protect household electrical appliances.
Calculate the current in a wire if a charge of 1500 coulomb flows through it in 5 minutes.
