Radio En Televisieteorie N2 — Document

April 2018 — N2 — Radio En Televisieteorie

N2 2018 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 5 pages 📝 38 items found

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Q1— Section header —

1.10\ die ANTWOORDBOEK neer.

1.1

1.2Om die oombliklike spanning van 'n sinusgolf te bereken word die (cos/sin\

1.3In 'n parallelresonantkring sal die totale stroom 'n (maksimum/minimum\ wees.

1.4Die kragwins van 'n transistor wat in die gewone emittormodus gekoppel is, is (een (unity\ /hoog\

1.5Wanneer 'n draagfrekwensie deur 'n oudiosein gemoduleer word, word (2/3\ frekwensies geproduseer.

1.6Indien 'n dooie fase in die video opspoorderfase video detector stage\ ontdek word, word daar onmidde lik gekontroleer of die (diode/transistor\ foutief is.

1.7Die lynossillator verskaf (vertikale/horisontale\skandering van die skerm met 'n elekstronstraal.

1.8Die luminansie beweeg (vinniger/stadiger\ as die chrominansie deur luminansiestroombane.

1.9

1.1010

Q2— Section header —

2.1Die maksimumwaarde van die emk (1\

2.2Die wgk waarde en gemiddelde waarde (na heelgolfrektifikasie\ (4\

2.3Die frekwensie van die toevoer (3\

2.4Die tydperiode (2\ (11040832\ T1480

2.5Die oombliklike waarde van die emk 12 millisekondes na sero wat positief toeneem (4\

2.6Die tyd wat dit die golfvorm neem om vir die eerste keer 55 volt vanaf sero te bereik (6\ [20]20

Q3— Section header —

3.1Gee VIER toestande wat bestaan wanneer 'n kring met R, L en C in serie, resoneer. (4\

3.2serie met 'n kapasitor 100 V. Bepaal:

3.2.1Die resonansiefrekwensie (4\

3.2.2Die gehaltefaktor (Q\an die spoel (2\ [10]10

Q4— Section header —

4.1Noem die SEWE belangrikste onderafdelings van 'n ossilloskoop. (7\

4.2Die penne (probes\ van katodestraalossilloskoop word as aktief, passief of stroom geklassifiseer. Beskryf die aktiewe penne (active probes\ (3\ [10]10

Q5— Section header —

Q6— Section header —

Q7— Section header —

7.1Die sirkel (2\

7.2Die swart en wit versterkings (castellations\ aan die rand van die patroon

7.3Aftaslineariteit (scanning linearity\ (2\

7.4Konvergensie (3\

7.5Kontras (2\

7.6Spookbeelde (2\

7.7Kleurverstellings (2\ [15]15

Q8— Section header —

Mark Allocation

Total100 marks

Sections10 + 20 + 10 + 10 + 10 + 15 + 15 + 10 = 100 marks

Paper information

TitleDocument

SubjectRadio En Televisieteorie

LevelN2

Document typeQuestion paper

Year2018

MonthApril

Pages8

Downloads2

Examination context

Decade2010s

Years ago8y

SeasonAutumn (SH)

Start daySunday

Exam periodApril 2018

Days since exam3,115

About Radio En Televisieteorie 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

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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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