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Which of the following condition will lead to higher antenna efficiency?

23. Which of the following condition will lead to higher antenna efficiency?

1. Decreasing radiation resistance often leads to increased antenna efficiency
2. Increasing radiation resistance often leads to increased antenna efficiency
3. Maintaining the equilibrium of radiation resistance often leads to increased antenna efficiency
4. None of the above

Answer: B) Increasing radiation resistance often leads to increased antenna efficiency.

Explanation:

Radiation resistance is a measurement of the power wasted by the antenna as a result of energy radiation. Increasing radiation resistance often leads to increased antenna efficiency; this is because increased radiation resistance implies that a greater proportion of the input power is transformed into radiated energy, resulting in less power being lost.