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Theories and Laws ==>

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What Is Phase

RMS And Peak To Peak

Pulses

Pulse Modulation

Magnetism

Heat

Harmonics

Generator Principle

Filters

Electro Magnetism

Conductors And Insulators

Clippers And Limiters

Norton's Theorem

Thévenin's Theorem

Superposition Theorem

Frequency Modulation

The Right-hand Rule

Coulomb's Law

Gauss's Law

Ampere's Law

OHM's Law

Kirchoff's Current Law

Kirchhoff's Voltage Laws

23 topics total

RMS And Peak To Peak

Pulses

Pulse Modulation

Magnetism

Heat

Harmonics

Generator Principle

Filters

Electro Magnetism

Conductors And Insulators

Clippers And Limiters

Norton's Theorem

Thévenin's Theorem

Superposition Theorem

Frequency Modulation

The Right-hand Rule

Coulomb's Law

Gauss's Law

Ampere's Law

OHM's Law

Kirchoff's Current Law

Kirchhoff's Voltage Laws

23 topics total

what Is The Harmonic

The fundamental is a pure sine wave.

The number and amplitude of the harmonics determines the characteristic sound of the instrument. The harmonic which is twice the fundamental frequency, as in the diagram, is called the 2nd harmonic. The frequency which is three times the fundamental is the 3rd harmonic.

The 3rd, 5th, 7th etc are called ODD harmonics. The 2nd, 4th, 6th, 8th etc are called EVEN harmonics. A square wave is made up from a fundamental frequency sine wave and an infinite number of odd harmonics. A sawtooth wave form consists of a fundamental plus an infinite number of even harmonics. If a sine wave is injected into an amplifier the output wave form may be distorted. This may be due to harmonics being generated by the amplifier.

Keywords : Field, Wire, Coil, Conductor, Harmonic

20 Oct 2006 Fri

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