A nichrome wire used as a heater coil has the resistance of ___

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
B. 60 m
C. 40 m
D. 20 m

Show Answer

Answer: A

Share your understanding of this question with the correct explanation.