what is the difference between inductive and resistive loads?
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The type of load depends on how the wave for the voltage and the wave for the current line up. In resistive loads, such as light bulbs, the voltage and current waves match, or the two are in phase. ... In inductive loads, such as an electric motor, the voltage wave is ahead of the current wave.
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inductance coil are made of copper . ... Cu has small ohmic resistance. Due to change in magnetic flux a large induced current will be produced in such an inductance which will offer appreciable opposition to the flow of current due to the applied emf.
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One of the major difference between the resistance and the resistivity of the material is that the resistance opposes the flow of free electrons whereas the resistivity is the property of the material which defines the resistance of the material having specific dimension.
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Current is the rate at which charge is flowing. Resistance is a material's tendency to resist the flow of charge (current).
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When the impedance is a pure resistance, the apparent power is the same as the true power. But when reactance exists, the apparent power is greater than the true power. The vector difference between the apparent and true power is called reactive power.
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The main difference between inductive effect and resonance effect is that inductive effect describes the transmission of electrical charges between atoms in a molecule whereas resonance effect describes the transmission of electron pairs between atoms in a molecule.
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When current passes through the coil, an electrical field is generated. The field has been "induced." The bigger the coil or the greater the number of turns, the greater the induced field. This phenomenon is called "inductance." Inductive reactance is the name given to the opposition to a changing current flow.
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Full load current is that which is drawn while the load is operating at full capacity. And no-load current that which is drawn then the load is removed and only the control circuits are drawing current. ... When neither heating or cooling is required the controls draw no-load current.
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Working principle Hall effect sensors have an advantage over inductive sensors in that, while inductive sensors respond to a changing magnetic field which induces current in a coil of wire and produces voltage at its output, Hall effect sensors can detect static (non-changing) magnetic fields.
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The amplifier uses the inductive element as a controlled switch. The coil is wound on a core having square B-H characteristics which gives the core two modes of operation. When the core is unsaturated, it causes the coil acts as high impedance that supports a large voltage with little or no current.
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Inductive sensors use a magnetic field to detect objects. Capacitive sensors use an electric field. ... A capacitive sensor will react to an object acting as a dielectric material as well as a conductive object. This makes metal and non-metal objects suitable targets.
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A resistor adds resistance to the flow of current changing the amount of current flowing. A capacitor will hold charge and discharge current at a set rate. And an inductor will induct (create) electricity through magnetic fields caused by running current through a cable with a conductive coil wrapped around it.
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Main purpose of DC motor connected to DC source is to convert electrical power / energy into mechanical power / energy. ... Hence motor is neither resistive nor inductive load though it may have parasitic values. It's load is mechanical torque & speed.
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Film resistors may be approximately classified as follows: values < 100Ω are inductive. values between 100Ω and 470Ω are practically true resistive.
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Difference between synchronous generator and induction generator. In a synchronous generator, the waveform of generated voltage is synchronized with (directly corresponds to) the rotor speed. ... Induction generator takes reactive power from the power system for field excitation.
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What's the Difference between an Electronic Ballast and a Magnetic Ballast? Electronic ballasts alter the flow of electricity in the light bulb by using a series of induction coils that are separated from one another. In contrast, magnetic ballast uses 1 induction coil and not a series.
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The real part R represents resistance, while the imaginary part X represents reactance. Resistance is always positive, while reactance can be either positive or negative. Resistance in a circuit dissipates power as heat, while reactance stores energy in the form of an electric or magnetic field.