Industrial Electronics N4 — Memo

August 2019 — N4 — Industrial Electronics

N4 2019 Nated Engineering

↓ Download PDF 📄 216.2 KB

Preparing document

📋 Document Analysis

📄 6 pages 📝 27 items found

See full analysis

Questions — A Preview of What to Expect in the Document

This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.

Q1— Section header —

1.1Consider first loop 32 = 3I + 10(I 32 = 3I + 10I + 10I 32 = 13I + 10I = 32

1.2

Q2— Section header —

2.1

2.2

Q3— Section header —

3.1.1major means of conduction and therefore described as majority charge carriers

3.1.2

3.2

3.3Variable capacitor [12]12

Q4— Section header —

4.1The process of converting an alternating voltage to a unidirectional voltage (2\

4.2(5\

4.3= 1/(2 r(rms\ r(rms\ = 21 200 + 21 220,659 = 3,994 V

Q5— Section header —

5.1When both base emitter and base collector junctions are reverse biased (2\

5.412

Q6— Section header —

6.1

6.2

6.3Comparator (1\ [10] QUESTION10

7.1.1A group of semiconductor devices which have a rapid switch characteristic

7.1.2

7.2oisy equire large heat sinks to control large powers special smoothing circuits [11

8.1Accuracy Most suitable converting principle Environment in which the transducer will be used [11 QUESTION

9.1[10] TOTAL:10

Mark Allocation

Sections12 + 12 + 11 + 12 + 10 + 10 = 67 marks

Paper information

TitleMemo

SubjectIndustrial Electronics

LevelN4

Document typeNated Engineering

Year2019

MonthAugust

Pages6

Downloads4

Examination context

Decade2010s

Years ago7y

SeasonWinter (SH)

Start dayThursday

Exam periodAugust 2019

Days since exam2,627

About Industrial Electronics examination preparation

Industrial Electronics covers semiconductor devices, amplifiers, power supplies, and digital logic circuits. The examination tests both theoretical knowledge and practical circuit analysis.

How to use this resource for revision

A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

semiconductor theory

circuit analysis

component identification

digital logic principles

interpreting circuit diagrams

A practical revision approach

Practice circuit analysis with correct formulae and units. The memorandum rewards accurate calculations, correct component identification, and proper interpretation of circuit diagrams.

File details

File size216.2 KB

Pages6

Archived on8 September 2026

File age46d

ContributorFreeMode

Fingerprint78D0584EB072

Questions and learner discussion

No questions or discussions have been posted yet.