 
			 
			MCQOPTIONS
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				| 1. | Lagging of changes in the magnetization of a substance behind changes in the magnetic field as the magnetic field is varied is known as magnetic | 
| A. | Retaintivity | 
| B. | Permeability | 
| C. | Flux | 
| D. | Hysteresis | 
| Answer» E. | |