MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Mechatronics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
PN junction can be made by physically joining P type and N type semiconductor. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which impurity should be added to pure semiconductor to make an N-type semiconductor? |
| A. | Gallium |
| B. | Phosphorus |
| C. | Indium |
| D. | Aluminum |
| Answer» C. Indium | |
| 3. |
Which impurity should be added to pure semiconductor to make a P-type semiconductor? |
| A. | Arsenic |
| B. | Phosphorus |
| C. | Boron |
| D. | Antimony |
| Answer» D. Antimony | |
| 4. |
What happens when a pentavalent semiconductor is doped with a pure semiconductor? |
| A. | N-Type extrinsic semiconductor is formed |
| B. | P-Type extrinsic semiconductor is formed |
| C. | PN junction is formed |
| D. | NP junction is formed |
| Answer» B. P-Type extrinsic semiconductor is formed | |
| 5. |
What happens when a trivalent semiconductor is doped with a pure semiconductor? |
| A. | N-Type extrinsic semiconductor is formed |
| B. | P-Type extrinsic semiconductor is formed |
| C. | PN junction is formed |
| D. | NP junction is formed |
| Answer» C. PN junction is formed | |
| 6. |
What are the majority charge carriers in N-type semiconductors? |
| A. | Electrons |
| B. | Holes |
| C. | Negative Ions |
| D. | Positive Ions |
| Answer» B. Holes | |
| 7. |
What are the parameters over which a diode characteristics curve is made? |
| A. | Current and time |
| B. | Voltage and time |
| C. | Current and frequency |
| D. | Voltage and current |
| Answer» E. | |
| 8. |
Which is an example of PN junction diode? |
| A. | Light Emitting Diode |
| B. | Light dependent resistor |
| C. | Photo Voltaic cell |
| D. | Capacitor |
| Answer» B. Light dependent resistor | |
| 9. |
What is the minimum voltage required to make the PN junction of a real silicon transistor in forward biased? |
| A. | 0.7 volts |
| B. | 0.8 volts |
| C. | 0.9 volts |
| D. | 0.3 volts |
| Answer» B. 0.8 volts | |
| 10. |
When the p-type semiconductor is connected to positive terminal and n-type to negative terminal of a PN junction diode then the diode is said to be reverse biased. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Ions do not move in a PN junction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Which is an example of Schottky diode? |
| A. | MSP430G2ET |
| B. | CMCP793V-500 |
| C. | SLB700A/06VA |
| D. | MBR5H100MFST1G |
| Answer» E. | |
| 13. |
How many PN junctions is/are present in a bipolar junction transistor? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» D. 3 | |