MCQ
A signal is to be transmitted through a wave of wavelength $\lambda $, using a linear antenna. The length $l$ of the antenna and effective power radiated $P_{eff}$ will be given respectively as : ($K$ is a constant of proportionality)
- ✓$\lambda ,{P_{eff}} = K{\left( {\frac{1}{\lambda }} \right)^2}$
- B$\frac{\lambda }{8},{P_{eff}} = K\left( {\frac{1}{\lambda }} \right)$
- C$\frac{\lambda }{{16}},{P_{eff}} = K{\left( {\frac{1}{\lambda }} \right)^3}$
- D$\frac{\lambda }{5},{P_{eff}} = K{\left( {\frac{1}{\lambda }} \right)^{\frac{1}{2}}}$