Laws of illumination in Electrical: There are two laws of illumination Law of inverse squares and Lambert's cosine law. Law of Inverse Squares: If a source of light which emits…
Illumination Engineering Interview Questions and Answers: 1. What are the advantages of artificial lighting produced electrically ? Ans. Artificial lighting produced electrically have the advantages of cleanliness, ease of control,…
What is Photoelectric Emission and Laws of Photoelectric Emission?: When the surface of certain alkaline material such as sodium, potassium, cesium or rubidium is illuminated by a beam of light…
Electrical Power Engineering Articles: This Electrical Power Engineering Articles which includes the following topics: Refrigeration Cycle Diagram Explain Vapour Compression Refrigeration System Explain Vapour Absorption Refrigeration System Thermoelectric Refrigeration System…