Physics
The most non-polluting and efficient lighting device is —
- CFL
- Fluorescent light
- LED
- Electric bulb
Related Questions
A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.
An efficient use of energy results in :
- increase in the emission of greenhouse gases
- a reduction in the cost of energy
- a reduction in the emission of green house gases
- both (b) and (c)
IEA is the short form of —
- Indian Energy Association
- Indian Eco Academy
- International Energy Agency
- International Eco Academy
LED stands for:
- Long lasting electric device
- Least efficient diode
- Light emitting diode
- Laser emission device