This page has every Industrial Electronics N4 April paper we have, from 2013 to 2021: 8 question papers and 7 memos in 40 PDFs. Files are in Afrikaans. The newest year is first. Each paper shows the first page of questions, its marks and time, and what the questions cover.
Industrial Electronics N4 April papers by year
Industrial Electronics N4 April 2021 question papers and memos
April 2021: Electronics
Industrial Electronics N4 April 2021: Electronics question paper
100 marks · 3 hours · 5 pages · 9 questions
What is in this paper (9 questions)
Q1
1.1 Study the circuit diagram above and calculate the current flowing across the 11 marks
Q2
2.1 Explain the term bandwidth. (2) 11 marks
Q3
3.1 Explain reverse saturation current of a diode. (3) 11 marks
Q4
4.1 Name and explain three basic components of a DC power supply. (6) 12 marks
Q5
5.1 Explain the following operations of a transistor: 11 marks
Q6
6.1 Give THREE advantages of an op-amplifier. (3) 11 marks
Q7
7.1 How does a DIAC switch off? (2) 11 marks
Q8
8.1 What is the common function of a potentiometer? (2) 12 marks
Q9
9.1 A cathode ray tube (CRT) is divided into FIVE sections. 10 marks
Instructions to candidates Answer all the questions. Read all the questions carefully. Number the answers according to the numbering system used in this question paper. Write neatly and legibly. (8080164) -3-
Industrial Electronics N4 April 2020 question papers and memos
April 2020: Electronics
Industrial Electronics N4 April 2020: Electronics question paper
100 marks · 3 hours · 7 pages · 9 questions
What is in this paper (9 questions)
Q1
1.1 Explain the following theorems: 14 marks
Q2
2.1 A parallel LC circuit tuned to 320 kHz with a 235,5 Ω inductor, has measured 10 marks
Q3
3.1 Explain the following terms: 12 marks
Q4
4.1 Explain the following components of a DC power supply: 12 marks
Q5
5.1 Study the diagram of the input characteristic and explain the behaviour of V 12 marks
Q6
6.1 Calculate the voltage output and gain of n-oinverting amplifiers if Vin = 5 V, 10 marks
Q7
7.1 Explain the following terms of an SCR: 10 marks
Q8
8.1 Study the circuit diagram and explain the operating principle. 9 marks
Q9
9.1 Name TWO types of CRT deflection systems. (2) 11 marks
Instructions to candidates Answer all the questions. Read all the questions carefully. Number the answers according to the numbering system used in this question paper. Start each question on a new page. Write neatly and legibly. (8080164) -3-
Industrial Electronics N4 April 2019 question papers and memos
April 2019: Electronics
Industrial Electronics N4 April 2019: Electronics question paper
100 marks · 3 hours · 6 pages · 9 questions
The memo for this paper is not available yet.
What is in this paper (9 questions)
Q1
1.1 Give the name of each of the following theorems: 12 marks
Q2
2.1 Explain the quality factor of a resonant circuit. (2) 11 marks
Q3
3.1 Explain the negative ion in a PN-junction diode. (2) 12 marks
Q4
4.1 Explain each of the following terms: 12 marks
Q5
5.1 List and explain the THREE regions found on the output of a common emitter 11 marks
Q6
6.1 Name TWO inputs of an operational amplifier. (2) 10 marks
Q7
7.1 Explain the forward-blocking state of a thyristor. (2) 11 marks
Q8
8.1 Draw a circuit construction and circuit symbols of a photodiode. (5) 12 marks
Q9
9.1 A cathode-ray oscilloscope (CRO) is the most important electronic measuring 9 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. Write neatly and legibly. (8080164) -3- T780(E)(A1)T
Industrial Electronics N4 April 2018 question papers and memos
April 2018: Electronics
Industrial Electronics N4 April 2018: Electronics question paper
100 marks · 3 hours · 7 pages · 9 questions
What is in this paper (9 questions)
Q1
1.1 State FOUR steps that must be applied when using the superposition theorem. (4) 12 marks
Q2
2.1 Study the circuit diagram below and answer the questions. 12 marks
Q3
3.1 Choose a term from COLUMN B that matches a description in COLUMN A. Write 10 marks
Q4
4.1 Explain each of the following terms: 11 marks
Q5
5.1 The data below was collected from an amplifier. 11 marks
Q6
6.1 An inverting and non-inverting operational amplifier has an input voltage (V 12 marks
Q7
7.1 State THREE disadvantages of an SCR. (3) 11 marks
Q8
8.1 List FOUR requirements that a transducer must meet to ensure its reliable 11 marks
Q9
9.1 Name TWO types of cathode-ray tube deflection systems. (2) 10 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. Write neatly and legibly. (8080164) -3- T780(E)(M26)T
Industrial Electronics N4 April 2016 question papers and memos
April 2016: Electronics
Industrial Electronics N4 April 2016: Electronics question paper
100 marks · 3 hours · 7 pages · 8 questions
What is in this paper (8 questions)
Q1
Use Kirchhoff's laws to calculate the current flowing through the 30 Ω resistor in 10 marks
Q2
A circuit consists of a resistor with resistance of 50 W, an inductor with inductance of 10 marks
Q3
3.1 Draw a neat symbol of a zener diode. Also explain its characteristic curve 15 marks
Q4
4.1 A common base amplifier produces an output of 6 mA with an input current of 15 marks
Q5
5.1 Calculate the gain and the output voltage of an amplifier whose output voltage 15 marks
Q6
6.1 Various options are given as possible answers to the following questions. 15 marks
Q7
7.1 State THREE important requirements for the design of a transducer to ensure 10 marks
Q8
8.1 Draw a neat, labelled construction of an electrostatic cathode ray tube. (7) 10 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. Write neatly and legibly. (15040106) -3- T720(E)(A8)T
Industrial Electronics N4 April 2015 question papers and memos
April 2015: Electronics
Industrial Electronics N4 April 2015: Electronics question paper
Industrial Electronics N4 April 2014 question papers and memos
April 2014: Electronics
Industrial Electronics N4 April 2014: Electronics question paper
Industrial Electronics N4 April 2013 question papers and memos
April 2013: Electronics
Industrial Electronics N4 April 2013: Electronics question paper
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Questions about these papers
Which years of Industrial Electronics N4 April papers are on this page? Papers from 2021, 2020, 2019, 2018, 2016, 2015, 2014, 2013. The newest year is at the top.
How many marks is the Industrial Electronics N4 April electronics? Electronics is usually out of 100 marks and you get 3 hours to write it.
Are the memos included? Yes. 7 of the 8 papers on this page have their marking memo next to the question paper.
