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प्रश्न
How many joules of electrical energy are transferred per second by a 6 V; 0.5 A lamp?
(a) 30 J/s
(b) 12 J/s
(c) 0.83 J/s
(d) 3 J/s
उत्तर १
(d) 3 J / s
Electrical energy transferred per second,
`E=V xx I xx t =6Vxx0.5Axx1s=3 "J/s"`
उत्तर २
(d) 3 J / s
Electrical energy transferred per second,
`E=V xx I xx t =6Vxx0.5Axx1s=3 "J/s"`
उत्तर ३
(d) 3 J / s
Electrical energy transferred per second,
`E=V xx I xx t =6Vxx0.5Axx1s=3 "J/s"`
उत्तर ४
(d) 3 J / s
Electrical energy transferred per second,
`E=V xx I xx t =6Vxx0.5Axx1s=3 "J/s"`
उत्तर ५
(d) 3 J / s
Electrical energy transferred per second,
`E=V xx I xx t =6Vxx0.5Axx1s=3 "J/s"`
उत्तर ६
(d) 3 J / s
Electrical energy transferred per second,
`E=V xx I xx t =6Vxx0.5Axx1s=3 "J/s"`
उत्तर ७
(d) 3 J / s
Electrical energy transferred per second,
`E=V xx I xx t =6Vxx0.5Axx1s=3 "J/s"`
उत्तर ८
(d) 3 J / s
Electrical energy transferred per second,
`E=V xx I xx t =6Vxx0.5Axx1s=3 "J/s"`
उत्तर ९
(d) 3 J / s
Electrical energy transferred per second,
`E=V xx I xx t =6Vxx0.5Axx1s=3 "J/s"`
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संबंधित प्रश्न
An electric bulb is connected to a 220 V power supply line. If the bulb draws a current of 0.5 A, calculate the power of the bulb.
An electric fan runs from the 230 V mains. The current flowing through it is 0.4 A. At what rate is electrical energy transferred by the fan?
The table below shows the current in three different electrical appliances when connected to the 240 V mains supply:
| Appliance | Current |
| Kettle | 8.5 A |
| Lamp | 0.4 A |
| toaster | 4.8 A |
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