Industrial Electronics N3 — Memo

April 2020 — N3 — Industrial Electronics

N3 2020 Nated Engineering

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Q1— Section header —

1.1.5

1.2.1True

1.2.2True

1.2.3False

1.2.4True

1.2.5

1.3.5

1.4.1MOSFET

1.4.2Differentiator

1.4.3Negative temperature coefficient

1.4.4Leads

1.4.520

Q2— Section header —

2.1.1In Loop ABEFA: 111214 1121 1121 .(\. 48155(\18 48155518 48385\____________1 VIRIIRIR

2.1.21,0075 5,070 PIIR PW 2.. 2502510 7,854 2.. 2504510

Q3— Section header —

3.1.1(2\

3.1.2(2\

3.2.1(2\

3.2.2(2\

3.3.1everse current As the light intensity increase the leakage current increase and the diode becomes more conductive.

3.7(2\ [20]20

Q4— Section header —

4.1.1310 ImA

4.3.1(2\

4.3.2(2\

4.5Deflection plates position the CRT spot anywhere on the screen by simultaneous application of appropriate vertical and horizontal voltage inputs (2\ [20]20

Q5— Section header —

5.1.1Moving the magnetic core by an externally applied force of the transformer. The magnitude of this difference is an indication of the direction & magnitude of applied force. (3\

5.1.2Displacement linear movement

5.2Acceleration accelerometer Pressure changes force measuring 10

5.3(4\ 11

5.4oltage goes through zero and reduces the current below the holding current,

5.5Line commutation Forced commutation (2\ [15] TOTAL SECTION B: GRAND TOTAL:15

Mark Allocation

Sections20 + 20 + 20 + 15 = 75 marks

Key Information

Contact Number016585 1056

Paper information

TitleMemo

SubjectIndustrial Electronics

LevelN3

Document typeNated Engineering

Year2020

MonthApril

Pages11

Downloads7

Examination context

Decade2020s

Years ago6y

SeasonAutumn (SH)

Start dayWednesday

Exam periodApril 2020

Days since exam2,386

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 size457.1 KB

Pages11

Archived on8 September 2026

File age48d

ContributorFreeMode

Fingerprint79FFE7DB99BD

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