Light Emitting Diode

What is energy band gap $\left(E_B\right)$ for p-type and n-type semiconductor use to form a LED to produce a red light colour?

Light Emitting Diodes or simply LED´s, are among the most widely used of all the different types of _____ diodes available today and are commonly used in TV's and colour displays.

LED are used in mobile phones to _____ the message.

LED is used as a bulb in the homes and industries.This statement is true or false?

Write down the applications of LED?

Which of the following is not true in the uses of LEDs over conventional incandescent bulb.

The V-I characteristics of LED is similar to the characteristics of

Which among the graph represents the $\text{I}-\text{V}$ characteristics of an LED?

The $\mathrm{I}-\mathrm{V}$ characteristic of an LED is

The schematic symbol of light emitting diode is (LED)

An LED operates under which biasing condition?

Statement-1 : Light emiting diode (LED) emits spontaneous radiation.

Statement-2 : LED is forward-biased p-n junction.

Statement-1 : Light emiting diode (LED) emit spontaneous radiation.

Statement-2 : LED are forward-biased p-n junction.