Topic: Electromagnetics
The radiation resistance of a thin line centre fed $\lambda/2$ antenna with sinusoid current distribution is
- A. $73~\Omega$
- B. $73+j42.5~\Omega$
- C. $50~\Omega$
- D. $75~\Omega$
Answer: A. $73~\Omega$
Explanation: Detailed explanation not provided in the source.