Basic electrical part 1

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Principle and procedure to apply superposition theorem in electrical circuits

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  The superposition theorem states that in a linear circuit (one in which the relationships between the circuit elements are linear), the response of the circuit to multiple input sources is the sum of the responses of the circuit to each individual input source. In other words, if you have a circuit with multiple input sources, you can find the total response of the circuit by adding up the responses to each input source separately. The superposition theorem is a powerful tool for analyzing and understanding the behavior of linear circuits, as it allows you to break down a complex circuit into smaller, simpler components and analyze them individually. This can make it easier to understand the circuit as a whole and to predict its behavior under different conditions. To use the superposition theorem, you will typically need to follow these steps: Identify the input sources in the circuit. These may include voltage sources, current sources, or other types of inputs...
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Understanding of impedance, admittance, active power, reactive power, apparent power, average power, instantaneous power, and power factor

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  In an alternating current (AC) circuit, the electrical quantities of interest include the impedance, admittance, active power, reactive power, apparent power, complex power, average power, instantaneous power, and power factor. Impedance is a measure of the opposition to the flow of AC current in a circuit. It is represented by the symbol Z and is expressed in units of ohms. Impedance is a complex quantity, meaning that it has both a real and an imaginary component. The real component is known as the resistance and the imaginary component is known as the reactance. Admittance is the reciprocal of impedance and is a measure of the ease of AC current flow in a circuit. It is represented by the symbol Y and is expressed in units of siemens. Admittance is also a complex quantity, with a real component known as the conductance and an imaginary component known as the susceptance. Active power is the rate at which electrical energy is transferred in an AC circuit. It is the produc...
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Understanding of ohm's law, KVL and KCL

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  Ohm's law is a fundamental principle in electrical engineering that describes the relationship between the current, voltage, and resistance in an electrical circuit. It states that the current through a conductor between two points is directly proportional to the voltage across the two points, and inversely proportional to the resistance between them. Mathematically, it can be expressed as: I = V/R Where I is the current, V is the voltage, and R is the resistance. Kirchhoff's voltage law (KVL) is another fundamental principle in electrical engineering that describes the relationship between the voltages in an electrical circuit. It states that the sum of the voltage drops around a closed loop in a circuit is equal to zero. Mathematically, it can be expressed as: ΣV = 0 Where ΣV is the sum of the voltage drops around the loop. Kirchhoff's current law (KCL) is another fundamental principle in electrical engineering that describes the relationship between the cur...
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