51. A single phase one pulse diode rectifier is feeding an RL load with freewheeling diode across the load. For conduction angle β, the main diode and free wheeling diode would, respectively conducts for:
    

1. 1. π, (π – β)
      

   
   
   

   2. π, (β – π)
      

   
   
   

   3. β, π
      

   
   
   

   4. (β – π), π

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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52. A semi conductor memory which allows the eraser of the information stared in it so that new information can be stared in it referred as:
    

1. 1. RAM
      

   
   
   

   2. ROM
      

   
   
   

   3. EPROM
      

   
   
   

   4. EEPROM

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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