A pn junction acts as a__________________?

Related Mcqs:

1. With forward bias to a pn junction , the width of depletion layer__________________?

   A. Decreases
   B. Increases
   C. Remains the same
   D. None of the above

2. The leakage current across a pn junction is due to________________?

   A. Minority carriers
   B. Majority carriers
   C. Junction capacitance
   D. None of the above

3. A forward biased pn junction diode has a resistance of the order of_____________?

   A. O
   B. kO
   C. MO
   D. None of the above

4. The leakage current in a pn junction is of the order of________________?

   A. Aa
   B. mA
   C. kA
   D. µA

5. The battery connections required to forward bias a pn junction are_________________?

   A. +ve terminal to p and –ve terminal to n
   B. -ve terminal to p and +ve terminal to n
   C. -ve terminal to p and –ve terminal to n
   D. None of the above

6. In the depletion region of a pn junction, there is a shortage of_________________?

   A. Acceptor ions
   B. Holes and electrons
   C. Donor ions
   D. None of the above

7. The barrier voltage at a pn junction for germanium is about________________?

   A. 5 V
   B. 3 V
   C. Zero
   D. 0.3 V

   Updated by: Abdul Samad

8. A reverse biased pn junction has resistance of the order of________________?

   A. O
   B. kO
   C. MO
   D. None of the above

9. A reverse bias pn junction has_____________?

   A. Very narrow depletion layer
   B. Almost no current
   C. Very low resistance
   D. Large current flow

10. At room temperature, an intrinsic silicon crystal acts approximately as_______________?

    A. A battery
    B. A conductor
    C. An insulator
    D. A piece of copper wire