Voltage Current Characteristics

Voltage Current Characteristics: According to their terminal Voltage Current Characteristics, electrical Sources of Energy are categorised into ideal voltage sources and ideal current sources. Further they can be divided into independent and dependent sources. An ideal voltage source is a two-terminal element in which the voltage Vs is completely independent of the current is through […]

Capacitance Equation

Capacitance Equation: Capacitance Equation – Any two conducting surfaces separated by an insulating medium exhibit the property of a capacitor. The conducting surfaces are called electrodes, and the insulating medium is called dielectric. A capacitor stores energy in the form of an electric field that is established by the opposite charges on the two electrodes. […]

Inductance Equation

Inductance Equation: Inductance Equation – A wire of certain length, when twisted into a coil becomes a basic inductor. If current is made to pass through an inductor, an electromagnetic field is formed. A change in the magnitude of the current changes the electromagnetic field. Increase in current expands the fields, and decrease in current […]

Unit of Resistance

Unit of Resistance: Unit of Resistance – When a current flows in a material, the free electrons move through the material and collide with other atoms. These collisions cause the electrons to lose some of their energy. This loss of energy per unit charge is the drop in potential across the material. The amount of […]