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Question
List the names of three electrical gadgets used in your house. Write their power, voltage ratingand approximate time for which each one is used in a day. Hence find the electrical energyconsumed by each in a day.
Solution
| Appliance | Power (in watt) | Voltage (in volts) | Time (hours) | Electrical energy(E=p×t) |
|
Fluorescent tube Television set Refrigerator |
40 120 150 |
220 220 220 |
12 4 24 |
0.48kWh 0.48kWh 3.6kWh |
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