Nc990 Electronics NCV Level 2 — Memo

November 2022 — NCV Level 2 — Nc990 Electronics

NCV Level 2 2022 NCV Engineering
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📄 6 pages 📝 34 items found 📚 1 topics 🔑 1 key info
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Questions — A Preview of What to Expect in the Document

34
This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.
Q1— Section header —
1.1010
Q2— Section header —
2.1Doping allows researchers to exploit the properties of sets of elements, referred to as dopants, in order to modulate the conductivity of a semiconductor. There are two types of dopants type and type dopants
Q3— Section header —
3.1The strength of the current flowing through it The number of turns in the coils The ratio of the length of the coil to the diameter of the coil
3.2.1True
3.2.2True
3.2.3
3.3Change (increase decrease\ the magnetic field over the surface area. Change the area of the loop Change the angle between the surface defined by the loop and the
Q4— Section header —
4.1An injury that ives rise to medical expenses Any injury that results in worker being absent from work for more than three days. (2\
4.2An oscilloscope is an electronic device that measures voltage, frequency and other parameters displays them as waveforms on the screen of a cathode ray tube. (3\ [5]5
Q5— Section header —
5.1First, you must read the instructions provided by the manufacturer Switch off the instrument If the battery is of the rechargeable type, the instrument may have a socket where a special transformer must be plugged in to charge the battery
5.2Point point Nuclear
5.3Because t he earth lead for a circuit is normally continuous, it easier to make this the nucleus of board and all the components lead to the power rail, which part
Q6— Section header —
6.1A solder sucker is used to desolder a component and suck up the excess molten solder.
6.2lux is a wax like substance that helps the molten solder to flow around components and wire to ensure a good joint.
6.3In the case of PVC covered cables, the insulation must preferably be removed from the conductors and placed in a separate container.
6.48
Q7— Section header —
7.1Check that the correct colour code was followed for the power leads. Look for obvious faults such as unsoldered components, loose wires, wrong values, components in wrong places, all components mounted.
7.2Wire cutter Solder sucker Wire stripper (4\ [9]9
Q8— Section header —
8.24
Q9— Section header —
Q10— Section header —
10.1Sound is a form of energy g iven off by a vibrating object. Sound is a compressional disturbance travelling through a material in such a way that it is capable of causing the human eardrum to vibrate and causing
10.2Wavelength is the perpendicular distance between TWO wave fronts whose displacement have a difference in phase of one period It is the distance travelled by wave in one period and is equal to the ratio of
10.3Also called a personal computer or PC , it is an electronic device for storing and processing data, typically in binary form according to instructions given to it in a variable program.
10.4Crosstalk is the unwanted transfer of signals between communication channels Crosstalk is any phenomenon by which a signal transmitted on one circuit or channel of a transmission system creates an undesired effect in another
10.510

Topics Identified

1
Business Plan

Mark Allocation

Sections10 + 13 + 15 + 5 + 12 + 8 + 9 + 4 + 17 + 10 = 103 marks

Key Information

Contact Number0101101100

Paper information

TitleMemo
SubjectNc990 Electronics
LevelNCV Level 2
Document typeNCV Engineering
Year2022
MonthNovember
Pages7
Downloads3

Examination context

Decade2020s
Years ago4y
SeasonSpring (SH)
Start dayTuesday
Exam periodNovember 2022
Days since exam1,438

About Nc990 Electronics 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.

File details

File size209.1 KB
Pages7
Archived on8 September 2026
File age45d
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