MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following statement about a Si diode is true? |
| A. | Cut-in voltage is always higher than the reverse breakdown voltage |
| B. | Reverse saturation current is in the order of mA |
| C. | Cut-in voltage is 1V |
| D. | Reverse scale current is in the order of nA |
| Answer» E. | |
| 2. |
Which of the following I-V characteristics represents the constant voltage drop model of diode? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1a.png"><img alt="I-V characteristics representsing the constant voltage drop model of diode - option a" class="alignnone size-full wp-image-236284" height="183" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1a.png" width="181"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1b.png"><img alt="I-V characteristics representsing the constant voltage drop model of diode - option b" class="alignnone size-full wp-image-236285" height="173" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1b.png" width="189"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1c.png"><img alt="I-V characteristics representsing the constant voltage drop model of diode - option c" class="alignnone size-full wp-image-236286" height="204" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1c.png" width="200"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1d.png"><img alt="I-V characteristics representsing the constant voltage drop model of diode - option d" class="alignnone size-full wp-image-236287" height="180" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1d.png" width="188"/></a> |
| Answer» B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1b.png"><img alt="I-V characteristics representsing the constant voltage drop model of diode - option b" class="alignnone size-full wp-image-236285" height="173" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1b.png" width="189"/></a> | |
| 3. |
Which of the following graph represents I-V characteristics of an ideal diode? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1a.png"><img alt="Graph representing I-V characteristics of an ideal diode - option a" class="alignnone size-full wp-image-236284" height="183" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1a.png" width="181"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1b.png"><img alt="Graph representing I-V characteristics of an ideal diode - option b" class="alignnone size-full wp-image-236285" height="173" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1b.png" width="189"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1c.png"><img alt="Graph representing I-V characteristics of an ideal diode - option c" class="alignnone size-full wp-image-236286" height="204" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1c.png" width="200"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1d.png"><img alt="Graph representing I-V characteristics of an ideal diode - option d" class="alignnone size-full wp-image-236287" height="180" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1d.png" width="188"/></a> |
| Answer» C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1c.png"><img alt="Graph representing I-V characteristics of an ideal diode - option c" class="alignnone size-full wp-image-236286" height="204" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1c.png" width="200"/></a> | |
| 4. |
Knee current in the case of zener diode implies _____________ |
| A. | Forward bias current beyond which I-V characteristics is a straight line |
| B. | Reverse bias current above which I-V characteristics is a straight line |
| C. | Forward cut-in current beyond which current is directly proportional to voltage |
| D. | Maximum allowable reverse bias current through a zener diode |
| Answer» C. Forward cut-in current beyond which current is directly proportional to voltage | |
| 5. |
Voltage rating of a Zener diode denotes ____________ |
| A. | Reverse breakdown voltage |
| B. | Forward breakdown voltage |
| C. | Voltage at which current is maximum |
| D. | Maximum forward voltage which a diode can withstand |
| Answer» B. Forward breakdown voltage | |
| 6. |
Which of the following statement is false for a zener diode voltage rated as VZ ? |
| A. | Reverse breakdown occurs at VZ |
| B. | Forward breakdown occurs at VZ |
| C. | Zener diode is a heavily doped diode |
| D. | Usually operates in reverse bias mode |
| Answer» C. Zener diode is a heavily doped diode | |
| 7. |
Which of the following graph represent a zener diode which is voltage rated as VZ ? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4a.png"><img alt="Graph representing zener diode with voltage rated as VZ - option a" class="alignnone size-full wp-image-236292" height="202" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4a.png" width="198"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4b.png"><img alt="Graph representing zener diode with voltage rated as VZ - option b" class="alignnone size-full wp-image-236293" height="202" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4b.png" width="189"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4c.png"><img alt="Graph representing zener diode with voltage rated as VZ - option c" class="alignnone size-full wp-image-236294" height="197" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4c.png" width="195"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4d.png"><img alt="Graph representing zener diode with voltage rated as VZ - option d" class="alignnone size-full wp-image-236295" height="194" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4d.png" width="203"/></a> |
| Answer» C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4c.png"><img alt="Graph representing zener diode with voltage rated as VZ - option c" class="alignnone size-full wp-image-236294" height="197" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q4c.png" width="195"/></a> | |
| 8. |
Which of the following graph represents a typical Ge diode? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2a.png"><img alt="Graph representing a typical Ge diode - option a" class="alignnone size-full wp-image-236288" height="172" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2a.png" width="175"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2b.png"><img alt="Graph representing a typical Ge diode - option b" class="alignnone size-full wp-image-236289" height="182" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2b.png" width="176"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2c.png"><img alt="Graph representing a typical Ge diode - option c" class="alignnone size-full wp-image-236290" height="181" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2c.png" width="186"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2d.png"><img alt="Graph representing a typical Ge diode - option d" class="alignnone size-full wp-image-236291" height="195" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2d.png" width="186"/></a> |
| Answer» B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2b.png"><img alt="Graph representing a typical Ge diode - option b" class="alignnone size-full wp-image-236289" height="182" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2b.png" width="176"/></a> | |
| 9. |
Which of the following I-V characteristics represents a typical Si diode? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2a.png"><img alt="I-V characteristics representing a typical Si diode - option a" class="alignnone size-full wp-image-236288" height="172" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2a.png" width="175"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2b.png"><img alt="I-V characteristics representing a typical Si diode - option b" class="alignnone size-full wp-image-236289" height="182" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2b.png" width="176"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2c.png"><img alt="I-V characteristics representing a typical Si diode - option c" class="alignnone size-full wp-image-236290" height="181" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2c.png" width="186"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2d.png"><img alt="I-V characteristics representing a typical Si diode - option d" class="alignnone size-full wp-image-236291" height="195" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2d.png" width="186"/></a> |
| Answer» C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2c.png"><img alt="I-V characteristics representing a typical Si diode - option c" class="alignnone size-full wp-image-236290" height="181" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q2c.png" width="186"/></a> | |
| 10. |
Which of the following graph represents the I-V characteristics of a real diode? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1a.png"><img alt="Graph representing I-V characteristics of a real diode - option a" class="alignnone size-full wp-image-236284" height="183" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1a.png" width="181"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1b.png"><img alt="Graph representing I-V characteristics of a real diode - option b" class="alignnone size-full wp-image-236285" height="173" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1b.png" width="189"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1c.png"><img alt="Graph representing I-V characteristics of a real diode - option c" class="alignnone size-full wp-image-236286" height="204" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1c.png" width="200"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1d.png"><img alt="Graph representing I-V characteristics of a real diode - option d" class="alignnone size-full wp-image-236287" height="180" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-interview-questions-answers-q1d.png" width="188"/></a> |
| Answer» E. | |