Electromagnetic Field Theory
A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation

 – z direction.
 z direction.
 – y direction.
 y direction.

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Electromagnetic Field Theory
Magnetostriction is a phenomenon of

 change in permeability of ferromagnetic materials during magnetism.
 generation of magnetism in electrical conductors.
 generation of electricity in ferromagnetic materials.
 change in physical dimensions of ferromagnetic materials during magnetism.

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Electromagnetic Field Theory
A rectangular waveguide is a

Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed
Hollow rectangular walled room carrying electromagnetic wave
Rectangular conducting wire to propagate electromagnetic waves
Tube antenna to transmit and receive electromagnetic waves

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