Explain the principle and working of a light emitting diode, Physics

Assignment Help:

Define, with the help of a schematic diagram, the principle and working of a Light Emitting Diode. What criterion is kept in mind whereas choosing the semiconductor material for such a device? Write any two benefits of Light Emitting Diode over conventional incandescent lamps.


Related Discussions:- Explain the principle and working of a light emitting diode

Definition of semiconductors, Definition of semiconductors Photovoltaic...

Definition of semiconductors Photovoltaic (PV) cells are made of special materials known as semiconductors like as silicon, which is currently the most commonly used. Basically

Determine the relative permeability of the cast steel, A closed magnetic ci...

A closed magnetic circuit of cast steel have a 6cm long path of cross-sectional area 1 cm 2 and a 2 cm path of cross-sectional area 0.5cm 2 . A coil of 200 turns is wound ar

Explain radioactivity and its problems and applications, Explain Radioactiv...

Explain Radioactivity and its Problems and Applications ? All radiation, electromagnetic as well as the kind from nuclear decay, takes its toll on living organisms. If the radiati

Rutherford’s gold - foil experiment , An α particle is a positively charged...

An α particle is a positively charged particle. Rutherford observed the behaviour of these particles when they approach the interior of the atoms as shown in fig.  Rutherford ob

Motion in one dimension, an attacker at the base of a castle wall 3.65 m hi...

an attacker at the base of a castle wall 3.65 m high throws a rock straight up with speed 7.40 m/s at a height of 1.55 m above the ground. (a) will the rock reach the top of the wa

Sketch the reversible and irreversible processes, Two kilograms of an ideal...

Two kilograms of an ideal gas with constant c p =1kJ/kgK and c v = 0.7kJ/kgK are contained in an insulated piston-cylinder device with an initial volume of 0.3m 3 and a pressure o

Find the inductive time constant, The current in an RL circuit builds up on...

The current in an RL circuit builds up one-third of its steady value in 4.56s. Find the inductive time constant.

Explain chemical potential of ideal gas, Explain Chemical Potential of Idea...

Explain Chemical Potential of Ideal Gas? Derive the expression for the chemical potential and Gibbs free energy of N molecules of an ideal gas at temperature T, pressure P and

Evaluate the frequency of the lowest note, The overall length of a particul...

The overall length of a particular wind instrument is 35.0 cm. The resonating air column vibrates as ina pipe that is open at both ends. (a) Find the frequency of the lowest not

Find the angular velocity of rotation, A mass m rotating freely in a horizo...

A mass m rotating freely in a horizontal circle of radius 1 m on a frictionless smooth table supports a stationary mass 2m, attached to the other end of the string passing through

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd