what is inductor
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- An inductor is a passive electronic component that storesenergy in the form of a magnetic field. In its simplest form, an inductor consistsof a wire loop or coil. The inductance is directly proportional to the number ofturns in the coil.
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inductive in·duc·tive. adj. 1. Of, relating to, or using logical induction: inductive reasoning. 2. Electricity Of or arising from inductance: inductive reactance. 3. Causing or influencing; inducing. 4. Introductory.
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Inductor Current Calculator The formula which calculates the inductor current based on these input parameters is I= 1/L∫Vdt, where I is equal to the current flowing through the inductor, L is equal to the inductance of the inductor, and V is equal to the voltage across the inductor. Many times, you will see the extended formula, I= I0 + 1/L∫Vdt.
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inductor In its simplest form, an inductor consistsof a wire loop or coil. The inductance is directly proportional to the number ofturns in the coil. Inductance also depends on the radius of the coil and on the type of material around which the coil is wound.
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The Inductor A Typical Inductor. In its most basic form, an Inductor is nothing more than a coil of wire wound around a central core. For most coils the current, (i) flowing through the coil produces a magnetic flux, (Nφ) around it that is proportional to this flow of electrical current.
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- to carry relatively large amounts of current, considerable power can be dissipated in the inductor even though the amount of resistance in the inductor is small.
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Module 6.1 When the current in an Inductor changes, a back emf is created that opposes the change in current, and the faster the initial change in current the greater the back emf.
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Inductor Specifications DC Resistance (DCR) The DCR of an inductor is measured using DC current. DC current is fed into the inductor and then the resistance can be calculated from the voltage and current in the circuit using R=V/I. The DCR is meant to be minimized in the design of an inductor, meaning it is designed to be kept low. Inductors are not made to block DC signals, so they should have a low DCR. The DCR value in a datasheet is specified as a maximum rating, meaning the value specified in the datasheet is the maximum resistance that it will contain.
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Module 9.0 Connecting an inductor, a capacitor and perhaps a resistor, either in series or in parallel, makes some surprising things happen. Previous modules in this series have examined capacitors and inductors in isolation, and combined with resistors. These have created useful circuits such as filters, differentiators and integrators.
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Energy in an Inductor Considering a pure inductor L, the instantaneous power which must be supplied to initiate the current in the inductor is. so the energy input to build to a final current i is given by the integral. Using the example of a solenoid, an expression for the energy density can be obtained.
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How Inductors Work HowStuffWorks. An inductor is about as simple as an electronic component can get -- it is simply a coil of wire. It turns out, however, that a coil of wire can do some very interesting things because of the magnetic properties of a coil. In this article, we'll learn all about inductors and what they're used for.
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Inductor An inductor, also called a coil or reactor, is a passive two-terminal electrical component that stores electrical energy in a magnetic field when electric current is flowing through it. An inductor typically consists of an electric conductor, such as a wire, that is wound into a coil. When the current flowing through an inductor changes, the time-varying magnetic field induces a voltage in the conductor, described by Faraday's law of induction. According to Lenz's law, the direction of induced electromotive force (e.m.f.) opposes the change in current that created it.
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Induction Induction Definition. Induction is known as a conclusion reached through reasoning. An inductive statement is derived using facts and instances which lead to the formation of a general opinion. Though all the facts upon which the conclusion is based are true, there is still a chance of the conclusion reached being false.
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- Energy in an Inductor. When a electric current is flowing in an inductor, there is energy stored in the magnetic field. Considering a pure inductor L, the instantaneous power which must be supplied to initiate the current in the inductor is.
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Inductors - what are they used for? [closed] I know what inductors are and generally, terms of their current/voltage characteristics, know how they operate. I was curious what they were used for. I was looking for some applications, not all applications. – sherrellbc Aug 2 '13 at 13:11.
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Applications of Inductors Inductors are used extensively with capacitors and resistors to create filters for analog circuits and in signal processing. Alone, an inductor functions as a low-pass filter, since the impedance of an inductor increases as the frequency of a signal increases.
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Medicare and Nursing Home Care If you use up these benefits or if you stop getting skilled nursing facility care for more than 30 days, your benefit period must end and you must have another three-day qualifying hospital stay to get coverage to get another 100 days of skilled nursing facility coverage.
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Inductance Mutual inductance occurs when the change in current in one inductor induces a voltage in another nearby inductor. It is important as the mechanism by which transformers work, but it can also cause unwanted coupling between conductors in a circuit.
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- Unlike capacitors, which produce a physical break in the circuitbetween the capacitor plates, the wire of an inductor provides an unbroken continuous path in which current can flow. When the current in a circuit is constant, an inductor acts essentially like a short circuit (i.e., azero-resistance path).
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- Related to adductor: adductor muscle, adductor longus, adductor canal, Adductor tubercle, Adductor pollicis. (ə-dŭk′tər) n. A muscle that draws a body part, such as a finger, arm, or toe, inward toward the median axis of the body or of an extremity.
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EEVblog Electronics Community Forum Re: When to use a capacitor and when to use an inductor. another simpler word. you put a capacitor across a battery, nothing will happen (open circuit) but if you put an inductor, it will short and probably burst. put another way, a capacitor is high frequency pass filter, where inductor is low pass.
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Radio frequency For other uses, see RF (disambiguation) . Radio frequency (RF): any of the electromagnetic wave frequencies that lie in the range extending from around 7003300000000000000♠3 kHz to 7011300000000000000♠300 GHz, which include those frequencies used for communications or radar signals.owever, since the antenna will pick up thousands of radio signals at a time, a radio tuner is necessary to tune into a particular frequency (or frequency range). This is typically done via a resonator – in its simplest form, a circuit with a capacitor and an inductor form a tuned circuit.
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Loudspeaker A tweeter is a high-frequency driver that reproduces the highest frequencies in a speaker system. A major problem in tweeter design is achieving wide angular sound coverage (off-axis response), since high frequency sound tends to leave the speaker in narrow beams.
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Brevis muscle Abductor pollicis brevis muscle, a muscle in the hand that functions as an abductor of the thumb. Flexor digiti minimi brevis (hand), a muscle in the hand that flexes the little finger. Flexor pollicis brevis muscle, a muscle in the hand that flexes the thumb.
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- Capacitors and inductors give a different type of resistance, called a reactance. Reactances are frequency-dependent, that is, you need to know the frequency of the AC waveform to solve for these reactances. A capacitor has a capacitive reactance, while an inductor has an inductive reactance.
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inductive 1. of, pertaining to, or involving electrical or magnetic induction. 2. operating by induction: an inductive machine. 3. of, pertaining to, or employing logical induction. 4. capable of bringing about embryonic induction. 5. serving to induce; leading or influencing.