MCQOPTIONS
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MCQOPTIONS
| 1. |
_ A nichrome wire used as a heater coil has the resistance of 2 £2/m. For a heater of 1 kW at 200 V, the length of wire required will be$? |
| A. | 80 m |
| B. | 60 m |
| C. | 40 m |
| D. | 20 m |
| Answer» B. 60 m | |