Chapter : DC Circuit)
6 Oct 2022
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Document Summary
Voltage and current independent sources, units and dimensions, source. Superposition theorem, thevenin"s theorem and their application for analysis of series and parallel resistive circuits excited by independent voltage sources, power & energy in such circuits. Mesh & nodal analysis, star delta transformation & circuits. When the electric charge inside the conductor flows in one direction, then such type of current is called direct current. The magnitude of the direct current always remains constant and the frequency of the current is zero. It is used in cell phones, electric vehicles, welding, electronic equipment, etc. The current which changes its directions periodically, such type of current is called alternating current. Their magnitude and polarity also change along with the time. In such types of current, the free electrons (electric charge) moved in the forward as well as in the backwards direction. Rotating a coil in a uniform magnetic field or rotating a uniform magnetic field within a stationary coil.
