The ratio of the resistance of a 200 W, 230 V lamp to ___

Electrical Engineering MCQ Electrical Machines MCQ
1

The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be

A. 0.5.
B. 2.
C. 4.
D. 0.25.

Show Answer

Answer: B

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