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Magnetic fields are produced by electric currents, which can be macroscopic currents in wires, or microscopic currents associated with electrons in atomic orbits. We will show you how to determine the variation of magnetic field along axis of current carrying
The basis of electronics is the electronic signal, an electric current that represents information. There are two basic types of electrical signals: analog and digital. In analog signals, some continuously variable aspect of the electrical current represents the information. In
The junction gate field-effect transistor, or JFET, is the simplest type of field-effect transistor. In a junction field-effect transistor, or JFET, the controlled current passes from source to drain, or from drain to source as the case may be. The controlling
A clamping circuit is used to place either the positive or negative peak of a signal at a desired level. The DC component is simply added or subtracted to/from the input signal. The clamper is also referred to as an IC
When P and N semiconductors are joined to make the PN junction semiconductor diode, the electrons near the PN junction jump from N to P and holes near the junction jump from P to N. This phenomenon creates a depletion
A rectifier is an electrical device composed of one or more diodes that converts alternating current (AC) to direct current (DC). The process of AC to DC conversion is called rectification. There are two types of single wave rectifiers half
Clippers or (clipping circuits) are used to prevent the output of a circuit from exceeding a predetermined voltage level without distorting and protecting the circuit from high voltage spikes. The types of clipping circuits (or clippers) are negative clipping circuit and
Zener diodes are a special type of semiconductor diode– devices that allow current to flow in one direction only –that also allow current to flow in the opposite direction, but only when exposed to enough voltage. We will learn about
Single-phase transformers accept single-phase AC power and output single-phase AC power, typically at a higher or lower voltage level. Energy is transferred from one circuit to one or more circuits via electromagnetic induction. Open-circuit voltage is the difference of electrical potential
Shunt DC Motors operate on direct current. As such, the field windings and armature are connected in a parallel combination, and in electrical terminology a parallel combination is known as a shunt. This type of motor is a “shunt-wound” DC