Industrial Electronic N2 — Document

November 2023 — N2 — Industrial Electronic

N2 2023 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 7 pages 📝 41 items found

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Q1— Section header —

1.10\ in the ANSWER BOOK.

1.1

1.2

1.3

1.4An alternating voltage that has a peak peak value of 360 V, would have an average value of

1.5When P type and N type material are joined by means of a special process, a phenomenon known as takes place. esonance onding scillation iffusion

1.6

1.7s a device that converts one form of energy to another form of energy. transistor transmitter transducer transformer

1.8

1.9The basic construction of a photodio de is the same as the normal PN junction diode, except that a is inserted in the casing to allow light to fall on it. light

1.10

Q2— Section header —

2.1The total resistance in the circuit (R (8\

2.2The total current (2\

2.3The voltage drop across R (3\

2.4Current and I (4\

2.5The total power consumed by the circuit (3\ [20]20

Q3— Section header —

3.1A coil with a resistance of 15 = 6

3.1.5The total current in the circuit (2\

3.1.6The voltage across R, L and C (6\

3.1.7The phase angle (2\

3.2Draw the phasor diagram (2\ [20]20

Q4— Section header —

4.1Draw neat, labelled circuit diagram of a full wave rectifier by making use of a step down transformer, four diodes, a filter circuit and a load resistor. Show the output wave without and with

4.2Name TWO breakdown mechanisms that can occur if the reverse bias voltage is greatly increased across a diode (2\

4.3Use the data given below to answer the questions Calculate:

4.3.1The value of P ower in\ (3\

4.3.2The value of A power gain\ (3\

4.3.3The total gain in dB (2\ [18]18

Q5— Section header —

5.1Draw a neat, labelled circuit symbol for each of the following transistors:

5.1.1The PNP transistor

5.1.2

5.2Draw a neat, abelled circuit diagram of NPN transistor mplifie r in a common emitter configuration. (5\

5.3Name FOUR applications of light dependent resistor (LDR\. (4\ 100 mW =450 12 dB

5.4Draw a fully labelled diagram to show the construction of light dependent resistor (LDR\ (5\ [18]18

Q6— Section header —

6.1A moving coil instrument has an internal resistance of 175

6.3State FOUR advantages of synchro system (4\ [14] TOTAL:14

Mark Allocation

Total100 marks

Sections10 + 20 + 20 + 18 + 18 + 14 = 100 marks

Paper information

TitleDocument

SubjectIndustrial Electronic

LevelN2

Document typeQuestion paper

Year2023

MonthNovember

Pages9

Downloads3

Examination context

Decade2020s

Years ago3y

SeasonSpring (SH)

Start dayWednesday

Exam periodNovember 2023

Days since exam1,076

About Industrial Electronic examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

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.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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