The leakage current across a pn junction is due to________________?

Related Mcqs:

1. The leakage current in a silicon transistor is about_____________ the leakage current in a germanium transistor?

   A. One hundredth
   B. One tenth
   C. One thousandth
   D. One millionth

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

   A. Aa
   B. mA
   C. kA
   D. µA

3. In a semiconductor, current conduction is due to________________?

   A. Only holes
   B. Only free electrons
   C. Holes and free electrons
   D. None of the above

4. Two 3.3 kΩ resistors are in series and this series combination is in parallel with a 4.7 kΩ resistor. The voltage across one of the 3.3 kΩ resistors is 12 V. The voltage across the 4.7 kΩ resistor is_________?

   A. 24 V
   B. 12 V
   C. 0 V
   D. 6 V

5. 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

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

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

7. 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

8. 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

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

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

10. A reverse bias pn junction has_____________?

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