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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
विकल्प
5Ω
4Ω
1 Ω
6Ω
2Ω
उत्तर
6Ω
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संबंधित प्रश्न
By what name is the physical quantity coulomb/second called?
Two lamps, one rated 40 W at 220 V and the other 60 W at 220 V, are connected in parallel to the electric supply at 220 V.
(a) Draw a circuit diagram to show the connections.
(b) Calculate the current drawn from the electric supply.
(c) Calculate the total energy consumed by the two lamps together when they operate for one hour.
An electric bulb is rated as 10 W, 220 V. How many of these bulbs can be connected in parallel across the two wires of 220 V supply line if the maximum current which can be drawn is 5 A?
Distinguish between an open and a closed circuit.
Conventionally, the direction of the current is taken as:
Coulomb is the SI unit of ____________.
