Download Aptitude Crack
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Communication Systems

Q1:

Consider the following statements about Yagi Uda antenna
  1. It is unidirectional
  2. Its gain is about 7 dB
  3. It is used at VLF
  4. The optimum separation is 0.11
Which of the above are correct?

A 1 and 2 only

B 1, 2, 4 only

C 1, 2, 3, 4

D 1 and 4 only

ANS:B - 1, 2, 4 only

This antenna is for UHF and VHF bands.



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