- Dec 21, 2017 -
Following are the advantages of Incandescent Bulb:
➨It is less expensive due to lower initial cost.
➨It is easier to dim with rheostats.
➨It produces warmer color compare to fluorescent and thungsten-halogen lamps.
➨It generates relatively high light output.
➨It can be dimmed or controlled.
➨It is easy to install.
➨It is available in various shapes, sizes and applications.
➨It can be switched ON immediately.
Disadvantages of Incandescent Bulb
Following are the disadvantages of Incandescent Bulb:
➨It is energy inefficient.
➨It has very short lamp life time i.e. about 1000 hours typically.
➨It is warm source of light and hence requires air conditioning to cool the room.
➨It has higher operating cost.
➨It is very fragile and hence needs to be handled very carefully.
➨It generates low lumen per watt. Ordinary incandescent bulbs produces about 5 to 20 lumens per watt. This means it has lower efficacy.