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Electromagnetic Field Theory - Engineering

Q1:

A 10 GHz signal propagates in a waveguide with a phase velocity of 4 x 108 m/s. If the signal produces standing wave in the guide, then the distance between successive minimal will be

A 10 mm

B 20 mm

C 30 mm

D 40 mm

ANS:B - 20 mm

f = 10 GHz, v = 4 x 108 m/sec, .