What are the disadvantages of discharge lamp?

What are the advantages of discharge lamp over filament lamp?

They make about 75% less heat compared to an incandescent bulb because they are not using resistance to emit light. That also results in an energy savings, and also helps to keep whatever room they are in at a cooler temperature.

What are the advantages and disadvantages of filament lamp?

Filament bulbs are low in power, Low in power consumption, and very cheap. It has many forms such as orientation, scattering and diffusing. It has a good lighting effect. Large versatility, color products o kinds.

What are the advantages of fluorescent bulbs also the disadvantages?

Pros and Cons of Fluorescent Lighting

  • Pro — Energy Efficiency. One of the best benefits of fluorescent lighting comes from its energy efficiency. …
  • Pro – Cost Savings. …
  • Pro — Long Light Life. …
  • Con — Contains Mercury. …
  • Con — Higher Initial Cost. …
  • Con — Limitations.

What is a main disadvantage of mercury Vapour lamps?

The main drawbacks of high-pressure mercury vapour lamps are their slow 4-7 minute warm-up time, middling energy efficiency (about 50 lumens per watt), and inferior colour rendering compared to metal halide lamps.

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