MCQOPTIONS
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| 1. |
A nichrome wire used as a coil in a heater has a resistance of 2 Ω/m. What will be the length of wire required for a 1 kW heater at 200 V? |
| A. | 80 m |
| B. | 40 m |
| C. | 20 m |
| D. | 24 m |
| Answer» D. 24 m | |