MCQOPTIONS
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				| 1. | 
                                    Assertion (A): A DIAC has four layers but only two terminals. Reason (R): A DIAC can conduct in both directions. | 
                            
| A. | A is correct but R is wrong | 
| B. | A is wrong but R is correct | 
| C. | firing angle is less than 60° | 
| D. | firing angle is less than 90° | 
| Answer» C. firing angle is less than 60¬∞ | |