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Analog Circuits Mock Test 1


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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 10%

Question 1 of 10

1. If current of a diode changes from 1mA to 10mA what will be the change in voltage across the diode. The ideality factor of diode is 1.2.

Question 1 of 10

Question 2 of 10

2. Find the current I if both diodes are identical. Voltage V = 0.8V and let the reverse saturation current be 10-9A.
analog-circuits-questions-answers-freshers-q1

Question 2 of 10

Question 3 of 10

3. Which of the following graph represents I-V characteristics of an ideal diode?

Question 3 of 10

Question 4 of 10

4. In the given circuit input voltage V1 is -3V and V2 is -1V. The resistance R1 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The approximate current I is _________
(Use piecewise linear model of diode)
analog-circuits-questions-answers-piecewise-linear-model-diode-1-q5a

Question 4 of 10

Question 5 of 10

5. Find the current Ix if the voltage across the diode is 0.5V. The reverse saturation current of diode 10-11A, the cut-in voltage of diode is 0.6V. Assume that the temperature at which diode operates is 25°C. The resistance R1=2KΩ.
analog-circuits-questions-answers-freshers-q3

Question 5 of 10

Question 6 of 10

6. The output voltage V if Vin = 3V, R=5KΩ, VB = 2V in a ideal diode is __________
analog-circuits-interview-questions-answers-freshers-q4

Question 6 of 10

Question 7 of 10

7. Static resistance of a diode is ____________

Question 7 of 10

Question 8 of 10

8. Which of the following I-V characteristics represents the constant voltage drop model of diode?

Question 8 of 10

Question 9 of 10

9. For circuit shown below Vin = 3V, R1 = 6K, R2 = 2K. The voltage V will be ________
analog-circuits-interview-questions-answers-freshers-q10

Question 9 of 10

Question 10 of 10

10. If V1 is 5V and resistance R1 is 5KΩ and the cut-in voltage of the diode is 0.7V, what will be the voltage Vout across the diode? Take reverse saturation current as 10-8A and operating temperature as 25°C.

Question 10 of 10


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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