 
			 
			MCQOPTIONS
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				| 1. | Which currents are used for inducing heat in the high frequency induction furnace? | 
| A. | Alternating primary currents | 
| B. | Direct primary currents | 
| C. | Alternating secondary currents | 
| D. | Direct secondary currents | 
| Answer» D. Direct secondary currents | |