Construction of carbon composition resistors

The carbon composition resistor is a type of fixed resistor that reduces or restricts the electric current flow to a certain level. The basic construction of carbon composition resistor is shown in above figure. The resistive material

Application of carbon composition resistor

There are some important applications of carbon composition resistor are given below, The carbon composition resistor is used in DC power supplies. It is used in the power control circuits. It is used in high frequency applications.

Construction of wire wound potentiometers

The basic construction of wire wound potentiometer is made of nichrome wire wound on a doughnut-shaped core of bracket and enclosed with an insulating coating. A window is left in the insulating cover, which exposes the resistive

What is junction field effect transistor (JFET)?

The junction field effect transistors (JFET), is a type of field effect transistor (FET). They are three terminal unipolar solid state devices that can be used as voltage controlled resistors or electronically controlled switch. An N-type JFET

Construction of P-channel junction field effect transistor (JFET)

The construction diagram of P channel junction field effect transistor (JFET) is shown in above figure. Its construction is similar to the N channel JFET excepts that it consist of a P type silicon bar with two

Construction of N-channel junction field effect transistor (JFET)

The construction of junction field effect transistor (JFET) is shown in above figure. The junction field effect transistor (JFET) in which the electrons as majority charge carriers due to this only current conduction takes place is known

Application of junction field effect transistor (JFET)

There are some important applications of junction field effect transistor (JFET) are given below, The junction field effect transistor (JFET) is used as a constant current source. The JFET is used as a buffer amplifier. The JFET

Advantages and disadvantages of junction field effect transistor (JFET)

There are some important advantages of junction field effect transistor (JFET) are given below, The junction field effect transistor (JFET) is a majority charge carrier device hence it has less noise. The JFET has high input impedance.

Applications of potentiometer

There are some applications of potentiometer are given below: The potentiometer is used as a voltage divider in the electronic circuit. The potentiometer is used in radio and television (TV) receiver for volume control, tone control and

Difference between N-channel JFET and P-channel JFET

Following are the N-channel JFET(junction field effect transistor) and P-channel JFET . N-channel JFET P-channel JFET The current conduction takes place due to electrons. The current conduction takes place due to holes. Mobility of electrons large. Mobility of electrons