This page has every Electrotechnics N6 April paper we have, from 2016 to 2021: 5 question papers and 4 memos in 10 PDFs. The newest year is first. Each paper shows the first page of questions, its marks and time, and what the questions cover.
Electrotechnics N6 April papers by year
Topics that come up most in Electrotechnics N6 April
Counted from the questions in the papers on this page: how many papers each topic appears in, and its average marks.
Topic Papers Average marks
Transformers 3 16 Dc Machines 3 14 Ac Circuit Theory 3 13 Generation and Distribution of Ac 2 15 Ac Machines – Induction Motors 2 14 Ac Machines – Generators 1 15 Ac Macines - Synchronous Motors 1 15 Ac Machines – Synchronous Motors 1 14 Generation and Supply of Ac 1 14 Ac Macines – Synchronous Motors 1 14
Electrotechnics N6 April 2021 question papers and memos
April 2021
Electrotechnics N6 April 2021 question paper
100 marks · 3 hours · 5 pages · 7 questions
What is in this paper (7 questions)
Q1
Dc Machines 1.1 A three-wire DC-system has two operating voltages of 440 V and 220 V. 14 marks
Q2
Ac Circuit Theory 2.1 Differentiate between the electrical quantities active power and 14 marks
Q3
Transformers 3.1 Explain, with the aid of diagrams, how the efficiency of a single-phase 15 marks
Q4
Ac Machines – Generators 4.1 Explain, with the aid of a neat diagram, how a short-circuit test is carried out 15 marks
Q5
Ac Machines – Synchronous Motors 5.1 Give TWO uses of synchronous motors. (2) 14 marks
Q6
Ac Machines – Induction Motors 6.1 Define the term slip as it is used in induction motors. (2) 14 marks
Q7
Generation and Supply of Ac Use the method to calculate the voltage, current and power factor at the sending end 14 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. Only use a black or blue pen. Write neatly and legibly. (8080096) -3-
Electrotechnics N6 April 2020 question papers and memos
April 2020
Electrotechnics N6 April 2020 question paper
100 marks · 3 hours · 6 pages · 7 questions
What is in this paper (7 questions)
Q1
Dc Machines 1.1 Name THREE types of variable losses in a DC machine. (3) 14 marks
Q2
Ac Circuit Theory A three-phase, star-connected alternator with a line voltage of 415 suVpplies an 13 marks
Q3
Transformers 3.1 Give TWO effects of harmonic voltages in transformers. (2) 18 marks
Q4
Ac Machines – Alternators 4.1 Give THREE reasons for using distributed windings in a t-phashreee 13 marks
Q5
Ac Macines – Synchronous Motors 5.1 Explain with the aid of phasor diagrams, that the power fact or o f a 14 marks
Q6
Ac Machines – Induction Motors 6.1 What is the function of an external rotor resistance starter, coupled to the slip- 14 marks
Q7
Generation and Distribution of Ac 7.1 State TWO advantages that a power factor improvement has for the 14 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. (8080096) -3-
Electrotechnics N6 April 2019 question papers and memos
April 2019
Electrotechnics N6 April 2019 question paper
100 marks · 3 hours · 5 pages · 7 questions
The memo for this paper is not available yet.
What is in this paper (7 questions)
Q1
Dc Machines 1.1 Name FOUR methods which may be used to control the speed of a DC 15 marks
Q2
Ac Circuit Theory A balanced 3-phase star-connected load of (8 + j6) ohms per phase is connected to a 13 marks
Q3
Transformers 3.1 Name TWO effects of harmonic currents in transformers. (2) 15 marks
Q4
Ac Machines - Alternators 4.1 Calculate the power/load angle when a 1 500 kVA, 6,6 kV, three-phase, 13 marks
Q5
Ac Macines - Synchronous Motors 5.1 Explain what is meant by the term hunting of a synchronous motor, and how it 15 marks
Q6
Ac Machines - Induction Motors 6.1 A three-phase induction motor is wound for 4-poles and is supplied from a 14 marks
Q7
Generation and Distribution of Ac 7.1 State TWO effects of a low power factor. (2) 15 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. Sketches must be large, neat and fully labelled. Write neatly and legibly. (8080096) -3-
Electrotechnics N6 April 2018 question papers and memos
April 2018
Electrotechnics N6 April 2018 question paper
100 marks · 3 hours · 6 pages · 7 questions
What is in this paper (7 questions)
Q1
1.1 1.1.1 Maak 'n netjiese skets van 'n paar identiese omtakmotors ('shunt 14 marks
Q2
2.1 'n EMK verteenwoordig by e = 150sin(ωt) + 75sin(3ωt + 30°) + 15 marks
Q3
3.1 Verduidelik met behulp van 'n betjiese diagram, hoe die kortsluitingtoets op 'n 15 marks
Q4
4.1 Verduidelik met behulp van 'n netjiese diagram, hoe die oopkringtoets ('open- 15 marks
Q5
5.1 Verduidelik met die hulp van fasordiagramme wat gebeur wanneer die 13 marks
Q6
Die volgende is die resultate van 'n toets op 'n 20 kW, 380 V, 50 Hz, driefase, 15 marks
Q7
7.1 Gee TWEE redes waarom verbruikers kragfaktorverbeteringstoerusting 13 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. (8080096) -3- T550(E)(A9)T
Electrotechnics N6 April 2016 question papers and memos
April 2016
Electrotechnics N6 April 2016 question paper
100 marks · 3 hours · 5 pages · 7 questions
What is in this paper (7 questions)
Q1
1.1 Draw and explain the operation of a Ward-Leonard control system, controlling 19 marks
Q2
An alternating voltage represented by the expression; v = 30 sin (314t + 25˚) +10 sin 16 marks
Q3
3.1 State TWO constant losses occurring in a transformer and state precisely 14 marks
Q4
4.1 What do you understand by the distribution factor of a synchronous 15 marks
Q5
A 380 V, 50 Hz, three-phase, star-connected synchronous motor has an induced emf 12 marks
Q6
A 525 V, 6 pole, 50 Hz, three-phase, delta-connected induction motor develops 28 kW 11 marks
Q7
A large industrial consumer takes 1 MVA at a power factor of 0,75 lagging. To reduce 13 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. Round off ALL calculations to THREE decimal places. Use the correct symbols and units. 6 Start each question on a NEW page. Keep subsections of questions together. ALL circuit diagrams and vector diagrams must be at least one third of a page and must be fully labelled. Write neatly and legibly. (8080096) -3- T490(E)(A8)T
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Questions about these papers
Which years of Electrotechnics N6 April papers are on this page? Papers from 2021, 2020, 2019, 2018, 2016. The newest year is at the top.
How many marks is the Electrotechnics N6 April paper? The paper is usually out of 100 marks and you get 3 hours to write it.
Are the memos included? Yes. 4 of the 5 papers on this page have their marking memo next to the question paper.
Which topics come up most in these papers? Transformers, dc machines and ac circuit theory, based on 3 papers on this page.
