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Types of Lamps

An incandesce...

Question

An incandescent bulblamp wastes large amount of energy as heat. How to minimize it?

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Solution

Incandescent bulbs produce light by heating the filament. So a lot of energy will lose in the form of heat.

It can't be reduced. The only solution is to replace it with LED lamps or CFL lamps.

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Similar questions

Q. Statement 1: Incandescent bulbs consumes less energy than CFLs.
Statement 2: Electric bulb produces both light as well as heat.

Q. Read the passage given below and answer the question that follows:

Travertons city council wants to minimize the city's average yearly expenditure on its traffic signal lights and so is considering replacing the incandescent bulbs currently in use with arrays of light-emitting diodes (LEDs) as the incandescent bulbs burn out. Compared to incandescent bulbs LED arrays consume significantly less energy and cost no more to purchase. Moreover the costs associated with the conversion of existing fixtures so as to accept LED arrays would be minimal.
Which of the following would it be most useful to know in determining whether switching to LED arrays would be likely to help minimize Travertons yearly maintenance costs?

Q. ______ of power consumed by Incandescent bulbs gets wasted in the form of heat.

Q. Which part of an incandescent bulb gets heated first?

A good amount of useful energy is wasted as heat in various machine parts. Why?

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