Physics · Electric Current and Power
Arrange the following lighting devices in decreasing order of power consumption for producing the same amount of light output: 1. Tubelight 2. Filament bulb 3. CFL 4. LED
- 14, 3, 1, 2
- 21, 2, 3, 4
- 31, 2, 4, 3
- 42, 1, 3, 4✓
Correct answer
2, 1, 3, 4
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