MCQOPTIONS
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| 1. |
A bulb of 100 W capacity was switched on in a thermally insulated room of size (2.5 × 3 × 3) m3 and temperature 20°C. Find the temperature of the room at the end of 24 hours. |
| A. | 450 °C |
| B. | 47 °C |
| C. | 470 °C |
| D. | 4700 °C |
| Answer» D. 4700 °C | |