A 100-W bulb and a 25-W bulb are designed for the same voltage. They h – InterviewSolution

1.	A 100-W bulb and a 25-W bulb are designed for the same voltage. They have filaments of the same length and material. The ratio of the diameter of the 100-W bulb to that of the 25-W bulb is (a) 4 : 1 (b) 2 : 1 (c) √2 : 1 (d) 1 : 2
Answer» Correct Answer is: (b) 2 : 1

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