Derive wave equations for free space and for conducting media

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written 8.2 years ago by

teamques10 ★ 69k

modified 3.2 years ago by

pedsangini276 • 4.8k

Mumbai University > Electronics Engineering > Sem 5 > Electromagnetic Engineering

Marks: 10 Marks

Year: May 2015

electromagnetic field and wave theory

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written 8.2 years ago by

teamques10 ★ 69k

Maxwell’s equation for any medium is given as:

$∇.\bar{E}=0 –(1) \\ ∇.\bar{H}=0-(2) \\ ∇ ×\bar{E}= -jwμ \bar{H}- (3) \\ ∇ × \bar{H}=(σ+jwε) \bar{E}- (4)$

Consider 4th equation

$∇ × \bar{H }=(σ+jwε) \bar{E}$

Taking cross product on both sides

$∇ × ∇ × \bar{H}= (σ+jwε) ∇ × \bar{E} \\ ∇ (∇.\bar{H …

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