Polytechnic Hub - Page 76 of 92 - for Electronics, Electrical, Mechanical, Automobile & Textiles

Application of LED

Some of the important applications of LED are given below: It is used in optical switching application. It is used in burglar alarm system. It is used for indicating power…

Technical Editor March 18, 2017

Electronics Articles

Advantages & disadvantage of optical fiber

Advantages of optical fiber : The optical fibers have greater information carrying capacities than metallic conductors. The optical fiber are lighter and smaller.The optical fiber cables are cheaper to transport…

Technical Editor March 18, 2017

Electronics Articles

Thermistor or Time dependent resistor (TDR)

The word thermistor is a contraction of the term thermal resistor. Thermistor is also known as temperature sensitive resistor or temperature dependent resistor (TDR). It is a type of resistor…

Technical Editor March 17, 2017

Electronics Articles

Application of Thermistor

Some of the important applications of thermistors are given below, Thermistor is used in the control devices actuated by temperature. It is used in automatic temperatures controllers. It is widely…

Technical Editor March 17, 2017

Electronics Articles

Advantages & disadvantages of Laser diodes

The advantage of Laser diodes are given below: The Laser diode operates in lower power as compared to other laser. It gives high power output as compared to other lasers.…

Technical Editor March 17, 2017

Electronics Articles

Difference between JFET and MOSFET

Following are the JFET (junction field effect transistor) and MOSFET (metal oxide semiconductor field effect transistor) . JFET MOSFET The JFET stand for junction field effect transistor. MOSFET stand for…

Technical Editor March 16, 2017

Electronics Articles

Advantage, Disadvantage and application of Schottky diode

The advantage of Schottky diode some of below It has a very low cut-in voltage of about 0.3 V. Schottky diode has very low switching time. Schottky diode has very…

Technical Editor March 16, 2017

Electronics Articles

Photodiode

What is a Photodiode? The photodiode is a two terminal PN junction device which is operated in reverse bias. It has a small transparent window which allows light to strike…

Technical Editor March 15, 2017

Electronics Articles

Metal oxide semiconductor field effect transistor (MOSFET)

The MOSFET stands for Metal Oxide Semiconductor Field Effect Transistor. It has a three terminal source, gate and drain terminals just like JFET. The gate terminal in MOSFET is insulated…

Technical Editor March 15, 2017

Electronics Articles

Light Depending Resistor (LDR)

Light dependent resistor (LDR) is a kind of variable non-linear resistor whose value of resistance depends on the value of light incident on it. LDR is also called as photo…

Technical Editor March 15, 2017