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If and are filament resistances of a bulb and a bulb respectively, designed to operate on the same…
If $R_1$ and $R_2$ are filament resistances of a $100\text{ W}$ bulb and a $50\text{ W}$ bulb respectively, designed to operate on the same voltage, then:
- (a)$R_1 = R_2$
- (b)$R_1 = 4R_2$
- (c)$R_2 = 4R_1$
- (d)$R_2 = 2R_1$
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From ISC 2023 Specimen Physics Paper 1, question 1(A)(ii).