MCQOPTIONS
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				| 1. | 
                                    A class D chopper | 
                            
| A. | can operate in first quadrant only | 
| B. | can operate in second quadrant only | 
| C. | can operate in either first or fourth quadrant | 
| D. | can operate in all the quadrants | 
| Answer» D. can operate in all the quadrants | |