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The reading of the ammeter for a silicon diode in the given circuit is :

  • Option 1)

    13.5 mA
     

  • Option 2)

    0
     

  • Option 3)

    15 mA
     

  • Option 4)

    11.5 mA

 

Answers (2)

best_answer

For silicon diode barrier potential is 0.7V

\therefore I= \frac{3-0.7}{200}A=0.0115A=11.5mA

 

Knee voltage of P-N junction -

It is defined as that forward voltage at which the current through the junction starts rising rapidly with increase in voltage .

- wherein

Knee voltage for Ge is 0.3 V

Knee voltage for Si is 0.7 V

 

 


Option 1)

13.5 mA
 

This is incorrect

Option 2)

0
 

This is incorrect

Option 3)

15 mA
 

This is incorrect

Option 4)

11.5 mA

This is correct

Posted by

Aadil

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