The directivity of an antenna in terms of the aperture efficiency and operating wavelength is given by:

The directivity of an antenna in terms of the aperture efficiency and

1.	The directivity of an antenna in terms of the aperture efficiency and operating wavelength is given by:
A.	4πAe/λ2
B.	2πAe/λ2
C.	πAe/λ2
D.	None of the mentioned
Answer» B. 2πAe/λ2

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The directivity of an antenna in terms of the aperture efficiency and operating wavelength is given by:

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