Correct Answer - Option 1 : 0.072π
2 Ω
Concept:
Radiation Resistance (Rrad) of any Antenna is
\({R_{rad}} = 80{\pi ^2}{\left[ {\frac{{dl}}{\lambda }} \right]^2}{\rm{\Omega }}\)
Where, \(\lambda = \frac{C}{f}\)
f = frequency
dl = length of Antenna
Calculation:
Given dl = 0.03 λ
\({R_{rad}} = 80{\pi ^2}{\left[ {\frac{{0.03\lambda }}{\lambda }} \right]^2}\)
Rrad ⇒ 0.072π2 Ω