Question

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 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 : 1is ur answer

Answer 2

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option

$a \: is \: \: correct$

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