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Calculate the length of half wave dipole...

Calculate the length of half wave dipole antenna at 30 MHz

A

10 m

B

5 m

C

2.5 m

D

20 m

Text Solution

Verified by Experts

The correct Answer is:
B
Length of a dipole antenna `l=lambda/2=c/(2f)`
In this problem , `lambda=c/f =(3xx10^8)/(30xx10^6)` = 10 m
`therefore l=lambda/2=5` m
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