The beamwidth between first null of uniform linear array of N equally – McqOptions

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1.	The beamwidth between first null of uniform linear array of N equally spaced (element spacing = a) equally excited antennas is determined by
A.	N alone and not by a
B.	d alone and not by N
C.	The ratio (N/d)
D.	The product (Nd)
Answer» E.

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