Electromagnetic Field Theory
Conductor is static and the field is varying then emf will be induced. This principle is called

 none of these
 static induced emf.
 virtually induced emf.
 dynamically induced emf.

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Electromagnetic Field Theory
Which of the following statement regarding waveguides is incorrect?

Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves
At waveguide can be coupled to a coaxial cable
At frequencies below the cut off value the wave progresses across the waveguide after total reflections
Waveguides can handle large power at UHF and microwaves

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