Diode and Application Quiz

1. Reverse leakage current P-N in junction diode

A. Increases with temperature rise
B. Decreases with temperature rise
C. Depends upon current limiting resistor
D. Depends only on reverse voltage

Click for answer 

C. Depends upon current limiting resistor

2. The DC resistance of P-N junction diode is also called as

A. Static resistance
B. Dynamic resistance
C. Forward biased resistance
D. Reverse based DC resistance

Click for answer 

B. Dynamic resistance

3. A diodes' PIV in a half wave rectifier employing capacity filter is

A. V_m
B. 2V_m
C. Any ratio of V_m can be used
D. 0.5V_m

Click for answer 

B. 2V_m

4. The motion of hole is referred as

A. Bipolar
B. Electron motion
C. Conduction current
D. The vacancy being filled by a valance electron from a neighbouring atom

Click for answer 

D. The vacancy being filled by a valance electron from a neighbouring atom

5. Diffusion process is restricted in P-N junction diode formation by

A. Dopping level
B. Depletion region
C. Reverse based DC resistance
D. Dynamic resistance

Click for answer 

B. Depletion region

6. P-type extrinsic semiconductor producer by

A. Donor dopping
B. Highly donor dopping
C. Acceptor dopping
D. Either dopping

Click for answer 

C. Acceptor dopping

7. Temperature dependent factors in P-N junction diode are

A. V_T and Percentage efficiency
B. V_F and I_D
C. I_F and Percentage efficiency
D. V_T and I_F

Click for answer 

D. V_T and I_F

8. Electrically the charge of atom is

A. Positive
B. Negative
C. Neutral
D. Can't be determined

Click for answer 

C. Neutral

9. A power supply has a full load voltage of 24 V.Its no-load voltage for 0% regulation is

A. 24 V
B. 48 V
C. 12 V
D. 0 V

Click for answer 

A. 24 V

10. Majority carriers in 'N' type semiconductor is

A. Electrons
B. Neutrons
C. Holes
D. Ions

Click for answer 

A. Electrons