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

Related Mcqs:

1. 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

2. The stability factor of a collector feedback bias circuit is_______________ that of base resistor bias?

   A. The same as
   B. More than
   C. Less than
   D. None of the above

3. A reverse bias pn junction has_____________?

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

4. 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

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

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

6. The disadvantage of voltage divider bias is that it has _________________?

   A. High stability factor
   B. Low base current
   C. Many resistors
   D. None of the above

7. In voltage divider bias, operating point is 3 V, 2 mA. If VCC = 9 V, RC = 2.2 kO, what is the value of RE ?

   A. 2000 O
   B. 1400 O
   C. 800 O
   D. 1600 O

8. For good stabilsation in voltage divider bias, the current I1 flowing through R1 and R2 should be equal to or greater than_____________?

   A. 10 IB
   B. 3 IB
   C. 2 IB
   D. 4 IB

9. The value of stability factor for a base resistor bias is________________?

   A. RB (ß+1)
   B. (ß+1)RC
   C. (ß+1)
   D. 1-ß

10. In voltage divider bias, VCC = 25 V; R1 = 10 kO; R2 = 2.2 V ; RC = 3.6 V and RE =1 kO. What is the emitter voltage?

    A. 7 V
    B. 3 V
    C. V
    D. 8 V