Introduction to Electronics Week 3 Quiz Answer

Introduction to Electronics

Week 3 Quiz Answer

In this article i am gone to share Coursera Course Introduction to Electronics Week 3 Quiz Answer with you..

Week 3 Quiz

Question 1)

Consider the following circuit where C=200nF.

For the circuit to have a bandwidth of ωb=500rad/s and a passband gain of -400, what must be the values of Rf and R1 ?

Enter the value of R1 in ohms.

Answer: 25

Question 2)

For the circuit of question 1, enter the value of Rf in KILO ohms.

Answer: 10

Question 3)

For the following circuit, R1=100Ω. Select the values of Rf and C to have a passband gain of -100 and a corner frequency of 1,000 rad/s.

Enter the value of C in uF.

Answer: 10

Question 4)

For the circuit of question 3, enter the value of Rf in kΩ.

Answer: 10

Question 5)

What Is the DC gain of a filter circuit that has the given transfer function?

Answer: 2

Question 6)

What is the bandwidth in radians-per-second of a filter circuit that has the given transfer function?

Answer: 5

Question 7)

A sine wave with amplitude 2 V and frequency 1358 Hz is applied to the circuit

shown. If Rf=10 kΩ, R1=1.5 kΩ , and C = 0.1 μF , what is the amplitude of the output sine wave?

Answer: 10.5

In the filter circuit shown, R1 = 10kΩ, R2 = 10kΩ, R3 = 4kΩ, R4 = 6.8kΩ, C1 = 5.3nF, and C2 = 5.3nF. 1 nF = 1 nanofarad = 10-9 farads. What is the dc gain of this filter? Calculate your answer to at least the nearest tenth.

Answer: 2.8

Question 9)

For the circuit of question 8, what is the resonance frequency in kilohertz? Calculate your answer to at least the nearest tenth.

Answer: 3

Question 10)

For the circuit of question 8, what is the quality factor? Calculate your answer to at least the nearest tenth.

Answer: 3.3

Question 11)

In the filter circuit shown, R1 = 10kΩ, R2 = 10kΩ, R3 = 2kΩ, R4 = 2kΩ, C1 = 0.15 μF,

and C2 = 0.1 μF. 1 μF = 1 microfarad = 10-6 farads. Which of the following are not true?

The resonance frequency increases as the value of C2 is decreased.

The DC gain is 2

There is a peak in the transfer function of this filter.

The resonance frequency is approximately 130 radians per second.

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