Question

analyse the merits and demerits of the following lamps and find the best in the group. justify your answer (a) filament lamps (b) flourescent lamps (c) arc lamps (d) CFL (e) Led lamps​

Answer 1

Explanation:

a. Filament lamp:

Demerits: Loss of energy as heat, low light.

Merits: Work in both DC and AC.

b. Fluorescent lamp:

Demerits: Cause environmental pollution,

Merit: Produce more light

c. Arc lamp:

Demerits: Carbon rods are to be changed frequently.

Merit: Intense light is produced.

d. CFL:

Merit: Produce more light at low power.

Demerits: Cause environmental pollution,

e. LED Bulb:

Merit: No environmental pollution, low energy consumption, long life. The best lamp is LED.

Answer 2

Answer:

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