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Which of the following is called as the source placed at the focus?

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Which of the following is called as the source placed at the focus?

(a) Feed radiator

(b) Reflector

(c) Secondary radiator

(d) Primary / reflector
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Correct answer is (a) Feed radiator

Explanation: The source placed at the focus is called as feed radiator. It is also known as primary radiator. The reflector is called as the secondary radiator. A reflector antenna contains primary and secondary radiators.
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