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Microwave Communication

Q1:

Which of the following is not a travelling wave?

A e = Em sin (βx - ωt)

B e = Em cos (βx - ωt)

C e = Em sin (ωt - βx)

D e = Em sin (βx)

ANS:D - e = Em sin (βx)

In a travelling wave both x and t increase simultaneously so that a constant phase point moves in the direction of positive (or negative) x.



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