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Derive wave equations for time harmonic fields.

Mumbai University > Electronics Engineering > Sem 5 > Electromagnetic Engineering

Marks: 5 Marks

Year: Dec 2014

1 Answer
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Consider time harmonic fields with angular frequency

F(x,y,z,t)=F(x,y,z).ejwt

The derivatives with respect to time are:

ddt=jwd2dt2=jw.jw=w2

The wave equation is-

2E=w2μϵE2H=w2μϵH

Each component of E and H satisfies the wave equation

$∇^2=\dfrac{d}{dx^2}+\dfrac{d}{dy^2}+\dfrac{d}{dz^2} \ …

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