Analogue Elect Circuit EEE 323 SEMESTER EXAM
INSTRUCTIONS
- Please note that this is an online based test and it’s an open invigilation process i.e. individual partakers are required to follow the instructions provided.
- Please be informed that the questions in this exam spans across all questions in this lesson and as such candidate are advised to be aware of non-related lesson questions.
- Do not close the Exam Window or try to restart the system after clicking “Start EXAM” button.
- Each question is followed by four alternative answer marked as A, B, C and D. The candidate shall choose the most appropriate answer to each question and mark the same through click of mouse or touch against the appropriate answer. Chosen answer will be highlighted and will automatically be saved. The questions are answered at once within the stipulated examination time.
- Candidates can make changes in their answer already chosen/marked since all questions are displayed.
- Candidates are advised not to click the “finish” button when note done with the entire exam question as this action will not allow backwards or a return options
- Countdown clock will start on commencement of the test question and will be displayed on the top of the EXAM. Note allowed time is 30 minutes for all questions.
- In case of restarting / shut down of computer due to technical reasons, immediately report the same to the organizing body (Leadpreneur Academy). Answers already marked and time of the testwill be saved and the candidate will be able to resume the EXAM from the exact point that last appeared before him/her.
- Make sure you are fully ready to start the exam before clicking the start test button
Good Luck and Success.
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Question 1 of 33
1. Question
Q. 1. Electronic communications are exchanging ———.
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Question 2 of 33
2. Question
Q. 2. Signals are converted into a form, by a ————, so that they can be transmitted in the air as part of electromagnetic spectrum, and are received by a receiver, where they are converted back to the original form.
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Question 3 of 33
3. Question
Q. 3. Two communicating parties can be quite far away from each other, and therefore the term —————– are used to describe this form of communications. What follows in this chapter is a descriptive theory of analogue signal processing in communications?
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Question 4 of 33
4. Question
Q.4 Transceivers are wireless transmitters (TX) and receivers (RX) combined in a single ——-
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Question 5 of 33
5. Question
Q. 5. TRC-10 is an amplitude modulation super heterodyne transceiver. (True or False)
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Question 6 of 33
6. Question
Q. 6. Electronic circuits that generate voltages of sinusoidal waveform are called “—————”.
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Question 7 of 33
7. Question
Q. 7. A real current source can also be modeled as a voltage source and used in?
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Question 8 of 33
8. Question
Q. 8. oscillator produces a sinusoid of frequency that varies between 12 MHz and ———–.
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Question 9 of 33
9. Question
Q. 9. A sinusoidal waveform does not carry any information on its own. (True or False)
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Question 10 of 33
10. Question
Q. 10. Frequency deviation carries the information in ———.
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Question 11 of 33
11. Question
Q. 11. A common graphical representation of a signal with many sinusoidal components is to plot the line graph of the amplitude of each component versus frequency (either f or ω) this can be referred to as?
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Question 12 of 33
12. Question
Q. 12. Acoustic voice signal is first converted into an electrical ————- at the microphone.
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Question 13 of 33
13. Question
Q. 13. an electromagnetic transducer, which must be supplied with electrical energy through its electrical terminals is known as
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Question 14 of 33
14. Question
Q. 14. Electrical energy, voltage and current are all measurable, physical ————–.
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Question 15 of 33
15. Question
Q. 15. Kirchhoff’s Voltage Law (KVL) states that, when the resistors are connected in series, the total voltage across all the resistors is equal to the sum of voltages across each resistor and the current through all the resistors is the same. (True or False)
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Question 16 of 33
16. Question
Q. 16. The diagram below signifies what?
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Question 17 of 33
17. Question
Q. 17. Kirchhoff’s Current Law (KCL) says that the total current that flow into a node is equal to the total current that flow out of a ————-.
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Question 18 of 33
18. Question
Q. 14. A node is a point in the———— where more than two elements are connected together
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Question 19 of 33
19. Question
Q. 19. One of the below mentioned is probably the most commonly encountered antennas.
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Question 20 of 33
20. Question
Q. 20. The diagram below represents one of the following.
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Question 21 of 33
21. Question
Q. 21. VD is defined as the voltage difference between anode and cathode terminals of the ———
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Question 22 of 33
22. Question
Q. 22. The above is a diagram of a resistor, where A is
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Question 23 of 33
23. Question
Q. 26. The radiation resistance of a short dipole of length l, far away from other conductors, is given approximately in Ω as
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Question 24 of 33
24. Question
Q. 24. A common graphical representation of a signal with many sinusoidal components is to plot the line graph of the amplitude of each component versus frequency (either f or ω) this can be referred to as?
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Question 25 of 33
25. Question
Q. 25. There are three parameters that we can play with in a sinusoid, one of which is?
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Question 26 of 33
26. Question
Q. 26. A device which signal level must be increased so that it can be demodulated, and further increased so that it can be heard is known as?
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Question 27 of 33
27. Question
Q. 27. The device that convert all the electrical energy applied on them into heat energy are known as?
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Question 28 of 33
28. Question
Q. 28. During propagation in space, some components of E and H vectors decay very quickly away from the dipole, only a body in the electric and magnetic fields is maintained during propagation. This is known as?
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Question 29 of 33
29. Question
Q. 29. Capacitors are charge storage devices. In this respect they resemble
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Question 30 of 33
30. Question
Q. 30. The circuit that have a “T” form with two equal series reactance and a parallel reactance of same magnitude but opposite sign is known as?
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Question 31 of 33
31. Question
THEORY: 15 POINTS
1. Write on the Equivalence of series and parallel RLC circuits
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This response will be reviewed and graded after submission.
Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -
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Question 32 of 33
32. Question
THEORY: 15 POINTS
2. Write shot note on the following
I. Frequency control
II. Phase considerations in oscillators.
III. Real inductors
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Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -
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Question 33 of 33
33. Question
THEORY: 10 POINTS
3. A. Explain briefly the crystal filter process
B. what is Operational amplifiers and OPAMP circuits
c. write briefly on Receivers
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This response will be reviewed and graded after submission.
Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -