Maxwells equations in a dielectric resemble those in vacuum (Equations 29.629.9) but with 0 replaced by
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Maxwell’s equations in a dielectric resemble those in vacuum (Equations 29.6–29.9) but with ε0 replaced by kε0, where k is the dielectric constant introduced in Chapter 23. Show that the speed of electromagnetic waves in a dielectric is c/√k.
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dA = 0 (Gauss, E) (29.6) B dA = 0 (Gauss, B) (29.7) (Faraday) (29.8) •dī (Ampère) (29.9) dt dt
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