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A nichrome wire used as aheater coil has the resistance of 2 ω/m. For a heater of 1 kW at 200 V, the length of wire required will be | |
A. | 80 m [Correct Answer] |
B. | 60 m [Wrong Answer] |
C. | 40 m [Wrong Answer] |
D. | 20 m [Wrong Answer] |
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