MCQOPTIONS
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				| 1. | 
                                    Among the various modulation systems, the most favoured from the point of linearity of modulation and efficiency is | 
                            
| A. | anode or collector modulation | 
| B. | central grid modulation | 
| C. | screen grid modulation | 
| D. | modulated oscillators | 
| Answer» B. central grid modulation | |