MCQOPTIONS
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| 1. |
Calculate the length of the wire required for an electric radiator to dissipate 1 kW when connected to a 230 V supply, if the coils of the radiator are made of wire 0.5 mm in diameter having the resistivity of 60 μΩ.cm |
| A. | 400 cm |
| B. | 753 cm |
| C. | 1732 cm |
| D. | 1456 cm |
| Answer» D. 1456 cm | |