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Electromagnetic Field Theory - Engineering

Q1:

Which one is correct option?

A TEM mode exist in free space of infinite boundary

B TEM mode exist in two conductor pattern system for finite-boundary

C TEM mode exist in waveguide only

D Both (a) and (b)

ANS:D - Both (a) and (b)

Yes, the answer is D because TEM wave electric and magnetic field is perpendicular to the direction of propagation and so we will not have any source of supply in direction of motion which is the basic requirement for the propagation.