When lamp is subjected to electric current, current flows through the arc tube via electrodes. Arc tube is connected with the tungsten electrodes which ends in the connector of bulb which is used to supply the electricity. With inside coating of fluorescent material.

Arc tube contains mercury vapor and halide atoms while the bulb is filled with mixture of gases like argon and sodium. HID contains a quartz arc tube which is subjected to a glass bulb with supports. Glass casing is known as headlight but the bulb used in headlight assembly is known as headlamp.W represents wattage of the headlamp means the power consumption of lamp.Intensity or brightness is measured in lux (L).Colour temperature is represented by K ( generally yellowish lights have low colour temperature than whitish lights ).Laser is the latest one and still it’s in prototype phase but it’s provided in the BMW i8 Concept.īefore starting our list there are some points or terms which you need to know first : LED lamps are quite efficient and new technology so it’s still in the adoption phase of the automobile. whereas HID lamps are quite costly so its equipment in some high-end cars only. Tungsten halogen bulb is very popular and widely used in vehicles. Then you are at the right place because we not only provide there pros and cons but also there working along with the answer which one is best for you. You might have came across the words like LED, HID, Xenon, Halogen, Laser but wondered about the best one among these or what are there pros and cons or each of them works?.

Hid vs halogen