Industrial Electronics N5 — Memo

August 2021 — N5 — Industrial Electronics

N5 2021 Nated Engineering

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Q1— Section header —

1.1Selectivity is the ability of an amplifier to distinguish between signals whose frequencies are very close to one another. A high 'Q' offers a sharper peak and will discriminate in favour of frequencies

1.3= 2 x x 0, = 3, 2 x

Q2— Section header —

2.1r = = V .r = 0, = 2 V

Q3— Section header —

3.1.1= 2 V 0,7

3.2.2= h 1+ h .Z 0, 1+ 0,4 x

4.1x 10 x 10 x 10

Q5— Section header —

Q6— Section header —

6.1The resolution of a potentiometer can be defined as the relation of the voltage drop across two adjacent turns to the total drop he relation of one turn to the total number of turns of the resistor. (2\

6.2Strain gauge in a Wheatstone bridge (5\

6.3

6.4Value of a thermistor at 24 T = = A.e

Q7— Section header —

Q8— Section header —

8.1A carry pulse is sent to the flip flop, which causes the switch 'S' to switch (Discharge through V and the

8.2To convert an analog input signal to a digital signal. (2\ [6] 106

Q9— Section header —

9.1Colpitts oscillator (4\

9.2An external trigger pulse is required to let the circuit work. The circuit is in a stable state and as soon as the trigger pulse is applied, it switches to the semi stable state for a period which is determined by the time constant

Mark Allocation

Sections15 + 14 + 16 + 10 + 5 + 14 + 8 + 6 + 12 = 100 marks

Paper information

TitleMemo

SubjectIndustrial Electronics

LevelN5

Document typeNated Engineering

Year2021

MonthAugust

Pages10

Downloads3

Examination context

Decade2020s

Years ago5y

SeasonWinter (SH)

Start daySunday

Exam periodAugust 2021

Days since exam1,895

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 size550.8 KB

Pages10

Archived on8 September 2026

File age45d

ContributorFreeMode

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