Circuit Elements
Circuit Elements are the basic building blocks of any electrical circuit. The following are the most common circuit elements:
Resistors: A resistor is an electrical component that opposes the flow of current in a circuit. The resistance of a resistor is measured in ohms (Ω). The value of a resistor can be calculated using Ohm's Law, which states that the voltage across a resistor is proportional to the current flowing through it.
Capacitors: A capacitor is an electrical component that stores electrical energy in an electric field. The capacitance of a capacitor is measured in farads (F). Capacitors are used in circuits to block DC signals and allow AC signals to pass.
Inductors: An inductor is an electrical component that stores electrical energy in a magnetic field. The inductance of an inductor is measured in henrys (H). Inductors are used in circuits to block AC signals and allow DC signals to pass.
Independent Sources: An independent source is a voltage or current source whose value is not dependent on any other element in the circuit. Voltage sources provide a constant voltage, while current sources provide a constant current.
Dependent Sources: A dependent source is a voltage or current source whose value depends on some other element in the circuit. Examples of dependent sources include voltage-controlled voltage sources (VCVS), current-controlled current sources (CCCS), and transconductance amplifiers.
These circuit elements are the fundamental components used to build more complex circuits. Understanding their behavior and how they interact with each other is crucial in the analysis and design of electrical circuits.
This online test contains previous year competitive exam question for Pratice
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