Industrial Electronics N1 — Memo

November 2022 — N1 — Industrial Electronics

N1 2022 Nated Engineering

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Q1— Section header —

1.1.5

1.2.1One

1.2.2Positive

1.2.3Five

1.2.5

1.3Become polarised when connected to a load a relatively short lifespan Provide small currents [20]20

Q2— Section header —

2.1.1,5

2.1.2

2.1.3=0, ,5 =8, ,5 ,5

2.1.4Brown Black Brown

2.2Speakers Telephones [20]20

Q3— Section header —

3.1.1Series

3.1.2Current

3.1.3Parallel

3.1.4Voltage

3.1.5Parallel

3.1.6

3.2(1,5 (3\

3.3=0,5 (1+0, (3\

3.4.1

3.4.27+5 =2, (2,5

Q4— Section header —

4.1Copper losses

4.2.1=3:1 (2\

4.2.2500 500

4.3Direct current is a current that always flows in one direction whereas alternating current is a current that rises to maximum and then falls to zero in one direction and then rises to maximum and falls to

4.4The EMF induced is directly proportional to the rate of change of flux linking the coil or circuit When a conductor moves through a magnetic field a voltage and current are induced in the conductor

4.5The cross sectional area of the coil The length of the coil [20]20

Q5— Section header —

5.1.1True

5.1.2True

5.1.3False

5.1.4False

5.1.5

5.2Protection = 10 + 20 + 35

5.4.11 mark = depletion region with correct width (narrow\ 1 mark = battery with correct polarity 2 marks = correctly connected type and type layers (4\

5.4.2mark = depletion region with correct width (wide\ 1 mark = battery with correct polarity 2 marks = correctly connected type and type layers (4\ [20] TOTAL:20

Mark Allocation

Sections20 + 20 + 20 + 20 + 20 = 100 marks

Paper information

TitleMemo

SubjectIndustrial Electronics

LevelN1

Document typeNated Engineering

Year2022

MonthNovember

Pages7

Downloads4

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,440

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 size355.2 KB

Pages7

Archived on8 September 2026

File age46d

ContributorFreeMode

FingerprintE9976E4288C7

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