MCQOPTIONS
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				| 1. | 
                                    Gain of an antenna with a circular aperture of diameter 4 meter at frequency of 10 GHz, with directivity 60 | 
                            
| A. | 60 | 
| B. | 100 | 
| C. | 30 | 
| D. | 90 | 
| Answer» B. 100 | |