☑ Define Diode And Transistor

Semiconductor diode type of diode which contains p n junction made from differently doped semiconductor materials. Learn about diodes and how transistors are used.

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It is double ended nonlinear electronic component where terminal attached to the p layer is called anode and n layer cathode.

Define diode and transistor. Transistors consist of three layers of a semiconductor material each capable of carrying a current. A diode is a two terminal device which allows current to pass in one direction only. The major difference between diode and transistor is that a diode is a 2 terminal device formed by merging p and n type semiconductor materialas against the transistor is a 3 terminal device formed by sandwiching p or n type semiconductor between two similar semiconductor material having opposite polarity as that of the sandwiched material.

Transistor is a three terminal device which allows current to flow from high resistance region to low resistance region. Semiconductor diodes were the first semiconductor electronic devices. The word transistor is formed from two words one is transfer and other is varistorthis implies a device which transfers resistance from one channel of the circuit to other is called transistor.

It is formed by joining a p type semiconductor with n type semiconductor. One of the major difference between the diode and the transistor is that the diode converts the alternating current into direct current while the transistor transfers the input signals from the low resistance circuit to high resistance circuit. Diodes are classified into many different types such as zener diode tunnel diode varactor diode photodiode light emitting diode baritt diode gunn diode schottky diode etc whereas transistor is classified into two types bipolar junction transistor and field effect transistor.

The transistor is a semiconductor device which transfers a weak signal from low resistance circuit to high resistance circuit. Diodes and transistors a diode is the simplest possible semiconductor device that allows current to flow in one direction but not another. A semiconductor diode the most commonly used type today is a crystalline piece of semiconductor material with a pn junction connected to two electrical terminals.

The words trans mean transfer property and istor mean resistance property offered to the junctions. A transistor is a device that regulates current or voltage flow and acts as a switch or gate for electronic signals. It is a three terminal current controlled device which can either be operated as switch or amplifier by providing small signal voltage.