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Band Gap (or energy gap) is an energy difference which an electron should attain to break free of it’s bounded state. When the band gap energy is met, the electron is excited into a free state, and can therefore participate in
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
A signal is a periodic function if it completes a pattern within a measurable time frame, called a period and repeats that pattern over identical subsequent periods. A signal that does not repeats its pattern over a period is called aperiodic function or non
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
Thévenin’s Theorem states that it is possible to simplify any linear circuit, no matter how complex, to an equivalent circuit with just a single voltage source and series resistance connected to a load. In this electrical practical, we will verify
Superposition Theorem states that a circuit can be analysed with only one source of power at a time, the corresponding component voltages and currents algebraically added to find out what they’ll do with all power sources in effect. To negate all
An electric motor is an electrical machine that converts electrical energy into mechanical energy. In case of three phase AC operation, most widely used motor is Three phase induction motor as this type of motor does not require any starting