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Question
Physics
The fundamental radio antenna is a metal rod which has a length equal to
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Q. The fundamental radio antenna is a metal rod which has a length equal to
VITEEE
VITEEE 2006
A
$\lambda$ in free space at the frequency of operation
B
$\frac{\lambda}{2}$ in free space at the frequency of operation
C
$\frac{\lambda}{4}$ in free space at the frequency of operation
D
$\frac{3\lambda}{4}$ in free space at the frequency of operation
Solution:
The common antenna is a straight conductor of length $1=\frac{\lambda}{4}$ held vertically with its lower end touching the ground.