MCQOPTIONS
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				| 1. | 
                                    Colour picture tube needs higher anode voltage and needs larger beam and cathode currents than monochrome tube because | 
                            
| A. | it is bigger in size | 
| B. | it has higher level of illumination | 
| C. | the tube has to illuminate three phosphors simultaneously | 
| D. | the tube has lower efficiency because of aperture mask | 
| Answer» E. | |