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Fixed Inductors

Fixed inductors are electronic devices that store energy in the form of a magnetic field. By passing an electrical current through a coil of wire, a magnetic field is created in the coil. This magnetic field is used to store energy. Fixed inductors are used in many applications such as radio receivers and transmitters, amplifiers, filters, power supplies, and others. They have a wide range of capabilities, depending on their size and design.

Application Field

Fixed inductors are used in a variety of applications. They are used in electronic circuits to provide inductance, a measure of a component\'s ability to store energy in its magnetic field. They are used in power supplies and in radio receivers and transmitters to shape the signal. In addition, they are used in filter and amplifier circuits to control the frequency response, and in power supplies to reduce ripple. Fixed inductors are also used to provide static current in RF circuits. In digital signal processing, they are used to filter out noise and create signals of a specific frequency.

Fixed inductors are also used to generate voltage. When an electrical circuit is connected an alternating current, the magnetic field in the inductor is constantly changing. This changing magnetic field will induce a voltage in the coil. This induced voltage is known as induced voltage or back-emf. By varying the resistance of the circuit, the inductor can be used to generate a variety of voltage levels.

Working Principle

Fixed inductors rely on a basic principle of electromagnetism, Faraday\'s Law of Induction, to operate. This law states that when a conductor is placed in a changing magnetic field, an electromotive force or EMF is induced in the conductor. This EMF is proportional to the rate of change of the magnetic flux through the conductor. When an electrical current is applied to a coil of wire, a magnetic field is created in the coil. The greater the current, the greater the magnetic field.

However, when the current is removed, the magnetic field collapses and an EMF is induced in the coil. This induced EMF is proportional to the rate of change of the magnetic field. This EMF can be used to create a voltage in the inductor. This voltage can then be used to control the current in the circuit.

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