171. Reverse recovery current in a Diode depends opon—
     

1. 1. Forward field current
      

   
   
   

   2. Storage charge
      

   
   
   

   3. Temperature
      

   
   
   

   4. P/V

   
   
   

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   NA

   Correct Option: A

   NA

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172. The softness factor for soft recovery and fast recovery Diode are respectively—
     

1. 1. 1, > 1
      

   
   
   

   2. < 1, 1
      

   
   
   

   3. 1, 1
      

   
   
   

   4. 1, < 1

   
   
   

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   NA

   Correct Option: D

   NA

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173. A Zener Diode work on the principle of—
     

1. 1. Tunnelling of charge carriers across the junction
      

   
   
   

   2. Thermionic emission
      

   
   
   

   3. Diffusion of charge carrier across the junction
      

   
   
   

   4. hopping of charge carrier across the junction

   
   
   

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   NA

   Correct Option: A

   NA

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174. In a Diode, the cut in voltage and forward-voltage drop are respectively—
     

1. 1. 0.7V, 0.7 V
      

   
   
   

   2. 0.7V, IV
      

   
   
   

   3. 0.7V, 0.6 V
      

   
   
   

   4. IV, 0.7 V

   
   
   

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   NA

   Correct Option: C

   NA

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175. For a Diode, Reverse recovery time is defined as the time between the instant Diode current become zero and the instant reverse recovery current decays to—
     

1. 1. Zero
      

   
   
   

   2. 10% of reverse peak current IRM
      

   
   
   

   3. 25% of IRM
      

   
   
   

   4. 15% of IRM

   
   
   

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   NA

   Correct Option: C

   NA

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