This page has every Electrotechnics N4 April paper we have, from 2013 to 2021: 8 question papers and 4 memos in 12 PDFs. The newest year is first. Each paper shows the first page of questions, its marks and time, and what the questions cover.
Electrotechnics N4 April papers by year
Electrotechnics N4 April 2021 question papers and memos
April 2021
Electrotechnics N4 April 2021 question paper
100 marks · 3 hours · 6 pages · 6 questions
What is in this paper (6 questions)
Q1
Principles of Electricity 1.1 Indicate whether the following statements are TRUE or FALSE. Choose the 30 marks
Q2
Dc Machines 2.1 Define armature reaction. (2) 20 marks
Q3
Ac Theory 3.1 Explain the effective value of an alternating current. (2) 20 marks
Q4
Transformers 4.1 What are the TWO types of single-phase transformer windings? (2) 10 marks
Q5
Ac Machines 5.1 Explain what the end plates of a motor are. (3) 10 marks
Q6
Generation and Supply of Ac Power and Measuring 6.1 Beside hydro power stations, what are the other TWO power stations that 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. Questions may be answered in any order, but subsections of questions must not be separated. Start each question on a new page. Use only a black or blue pen. Write neatly and legibly. (8080074) -3-
Electrotechnics N4 April 2020 question papers and memos
April 2020
Electrotechnics N4 April 2020 question paper
100 marks · 3 hours · 7 pages · 6 questions
What is in this paper (6 questions)
Q1
General 1.1 Choose a term from COLUMN B that matches a description in COLUMN A . 10 marks
Q2
Principles of Electricity 2.1 What does the term electromotive force mean? (2) 20 marks
Q3
Dc Machines 3.1 Briefly explain the following methods of self-excited field coil connections: 20 marks
Q4
Ac Theory 4.1 Briefly explain the following terms: 15 marks
Q5
Ac Machines 5.1 An ideal single-phase transformer is connected to a 240 V, 50 Hz supply. The 15 marks
Q6
Measuring Instruments 6.1 The resistance of an armature was measured by means of the am- m e ter 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. Questions may be answered in any order but subsections of questions must not be separated. Start each section on a new page. Use only a black or blue pen. Write neatly and legibly. (8080074) -3-
Electrotechnics N4 April 2019 question papers and memos
April 2019
Electrotechnics N4 April 2019 question paper
100 marks · 3 hours · 6 pages · 6 questions
The memo for this paper is not available yet.
What is in this paper (6 questions)
Q1
Choose a term from COLUMN B that matches a description in COLUMN A. Write only 10 marks
Q2
2.1 Why are certain currents that circulate in transformer cores undesirable and 18 marks
Q3
3.1 Name THREE principal EMF sources. (3) 18 marks
Q4
4.1 What are the FOUR methods of improving commutation in a DC machine? (4) 18 marks
Q5
5.1 Name FOUR common methods of cooling transformers. (4) 18 marks
Q6
6.1 What is the function of Buchholz's device on a transformer? (2) 18 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. Questions may be answered in any order but subsections of questions must be kept together. Write neatly and legibly. (8080074) -3- T530(E)(M28)T
Electrotechnics N4 April 2018 question papers and memos
April 2018
Electrotechnics N4 April 2018 question paper
100 marks · 3 hours · 7 pages · 6 questions
What is in this paper (6 questions)
Q1
1.1 Various options are given as possible answers to the following questions. 10 marks
Q2
2.1 A series circuit of 8 ohms and 5 ohms respectively is connected in parallel 18 marks
Q3
3.1 A coil of 350 turns has a flux of 4,8 mWb linking with it when carrying a 18 marks
Q4
4.1 DC machines are named according to the method used to connect the field 18 marks
Q5
5.1 In a certain circuit with two parallel branches the instantaneous branch 18 marks
Q6
6.1 A 4,4 kVA, 440/120 V, 50 Hz single-phase transformer has 48 turns on the 18 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. Questions may be answered in any order but subsections of questions must NOT be separated. Write neatly and legibly. (8080074) -3- T530(E)(M27)T
Electrotechnics N4 April 2016 question papers and memos
April 2016
Electrotechnics N4 April 2016 question paper
100 marks · 3 hours · 6 pages · 5 questions
What is in this paper (5 questions)
Q1
1.1 Two capacitors of 12 microfarads and 6 microfarads respectively are 20 marks
Q2
2.1 A DC-generator with an EMF 150 V and internal resistance of 0,25 ohms is 20 marks
Q3
3.1 The open-circuit characteristics of a separately excited DC-generator is as 20 marks
Q4
4.1 A single-phase 1110/111 -V, 50 Hz transformer has a net area of 10 cm² and 20 marks
Q5
5.1 A single-phase transformer has 20 secondary turns and 40 primary turns. The 20 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. (8080074) -3- T470(E)(A12)T
Electrotechnics N4 April 2015 question papers and memos
April 2015
Electrotechnics N4 April 2015 question paper
The memo for this paper is not available yet.
Electrotechnics N4 April 2014 question papers and memos
April 2014
Electrotechnics N4 April 2014 question paper
The memo for this paper is not available yet.
Electrotechnics N4 April 2013 question papers and memos
April 2013
Electrotechnics N4 April 2013 question paper
The memo for this paper is not available yet.
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Questions about these papers
Which years of Electrotechnics 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 Electrotechnics N4 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 8 papers on this page have their marking memo next to the question paper.
