Electrical Engineering · Illumination
Match the following types of lamps with their relative luminous efficiencies: (i) Sodium vapour lamp - (b) Very high (ii) Fluorescent lamp - (d) High (iii) Tungsten filament lamp - (a) Medium (iv) Carbon filament lamp - (c) Low
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(i)-(d), (ii)-(c), (iii)-(b), (iv)-(a)
- 2(i)-(b), (ii)-(a), (iii)-(d), (iv)-(c)
- 3(i)-(b), (ii)-(d), (iii)-(a), (iv)-(c)✓
- 4(i)-(b), (ii)-(c), (iii)-(d), (iv)-(a)
Correct answer
(i)-(b), (ii)-(d), (iii)-(a), (iv)-(c)
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