Type: Individual
| Tools & Equipment | Materials |
|---|---|
| Pliers | Soft iron core 150mm x 50mm |
| Wire stripper/cutter | Enamelled copper wire 0.5mm diameter |
| Ammeter 0-1A DC | 9V DC battery |
| Switch 1A rating | Insulation tape |
| Connecting wires with alligator clips | Safety goggles |
| Magnetic compass | Dust coat/overall |
| S/N | Item | Quantity |
|---|---|---|
| 1 | Soft iron core 150mm length x 50mm diameter | 1 Pc per Candidate |
| 2 | Enamelled copper wire, 0.5mm diameter | 5 meters per Candidate |
| 3 | 9V DC battery | 1 Pc per Candidate |
| 4 | Switch 1A rating | 1 Pc per Candidate |
| 5 | Connecting wires with alligator clips | 2 Pcs per Candidate |
| 6 | Ammeter 0-1A DC | 1 Pc per Candidate |
| 7 | Magnetic compass | 1 Pc per Candidate |
| 8 | Insulation tape | 1 roll per 5 Candidates |
| 9 | Pliers | 1 Pc per Candidate |
| 10 | Wire stripper/cutter | 1 Pc per Candidate |
| 11 | Safety goggles | 1 Pc per Candidate |
| 12 | Dust coat/overall | 1 Pc per Candidate |
| Items to be Evaluated | Marks Available | Marks Obtained | Comments |
|---|---|---|---|
| TASK 1: Preparation and Safety | |||
| Wore safety goggles and dust coat as per workshop safety procedures (Award 1 mark if PPE worn correctly, else 0) | 1 | ||
| Handled tools and equipment safely during setup (Award 1 mark for safe handling and correct tool use, else 0) | 1 | ||
| Sub-Total | 2 | ||
| TASK 2: Electromagnet Construction | |||
| Stripped enamel insulation from copper wire ends properly (Award 1 mark per correctly stripped wire end, else 0) | 2 | ||
| Wound copper wire uniformly and tightly around the soft iron core with at least 100 turns (Award 3 marks if coil is neat, tight, and has required turns, else 0) | 3 | ||
| Connected the coil terminals to the battery and switch correctly using alligator clips (Award 2 marks if connections are secure and correct polarity observed, else 0) | 2 | ||
| Sub-Total | 7 | ||
| TASK 3: Testing and Measurement | |||
| Set up ammeter correctly in series to measure coil current (Award 2 marks for correct ammeter connection, else 0) | 2 | ||
| Operated the switch to energize the electromagnet safely (Award 1 mark if switch operated safely and controlled, else 0) | 1 | ||
| Used magnetic compass to detect and demonstrate the magnetic field of the electromagnet (Award 2 marks if compass shows deflection indicating magnetic field, else 0) | 2 | ||
| Recorded current and qualitative magnetic field strength observations (Award 1 mark for recording observations legibly and correctly, else 0) | 1 | ||
| Sub-Total | 6 | ||
| TASK 4: Cleanup and Reporting | |||
| Disconnected and stored tools and equipment properly (Award 1 mark for proper tool storage, else 0) | 1 | ||
| Disposed or stored waste materials as per workshop procedures (Award 1 mark for correct waste disposal, else 0) | 1 | ||
| Prepared a brief report summarizing construction, testing, and results (Award up to 3 marks for completeness, clarity, and accuracy of report) | 3 | ||
| Sub-Total | 5 | ||
| PRODUCT CHECKLIST | |||
| Electromagnet coil has at least 100 turns, wound tightly and uniformly around 150mm x 50mm core (Award 4 marks if coil meets specification, else 0) | 4 | ||
| Electrical connections are secure, with no loose or exposed wires (Award 3 marks if connections are safe and neat, else 0) | 3 | ||
| Magnetic compass shows clear deflection indicating magnetic field presence (Award 3 marks for clear compass deflection, else 0) | 3 | ||
| Recorded current value is consistent with coil and battery specifications (Award 3 marks if recorded current is reasonable (approx. 0.1-0.5A), else 0) | 3 | ||
| Sub-Total | 13 | ||
| GRAND TOTAL | 33 | ||
Type: Individual
| Tools & Equipment | Materials |
|---|---|
| DC power supply | Copper coil (200 turns, 25 cm diameter) |
| Gaussmeter with probe | |
| Connecting wires with alligator clips | |
| Switch | |
| Ruler or measuring tape |
| S/N | Item | Quantity |
|---|---|---|
| 1 | Copper coil (200 turns, 25 cm diameter) | 1 Pc per Candidate |
| 2 | DC power supply (0-12 V, 5 A) | 1 Pc per Candidate |
| 3 | Gaussmeter with probe | 1 Pc per Candidate |
| 4 | Connecting wires with alligator clips | 3 Pcs per Candidate |
| 5 | Ruler or measuring tape (at least 1 m long) | 1 Pc per Candidate |
| 6 | Switch | 1 Pc per Candidate |
| 7 | Work bench | 1 Pc per Candidate |
| 8 | Safety goggles | 1 Pair per Candidate |
| 9 | Dust coat/overall | 1 Pc per Candidate |
| 10 | Safety boots | 1 Pair per Candidate |
| Items to be Evaluated | Marks Available | Marks Obtained | Comments |
|---|---|---|---|
| TASK 1: Preparation and Safety | |||
| Wore appropriate PPE including dust coat, safety boots, and safety goggles (Award 1 mark for correct PPE or zero) | 1 | ||
| Handled tools and equipment safely and correctly (Award 1 mark for each correct handling or zero) | 2 | ||
| Sub-Total | 3 | ||
| TASK 2: Setup of Coil and Circuit | |||
| Positioned the copper coil securely on the work bench (Award 1 mark or zero) | 1 | ||
| Connected coil to DC power supply using correct wiring and switch (Award 1 mark for correct wiring, 1 mark for correct switch connection or zero) | 2 | ||
| Set power supply voltage to 12 V and current limit to 2 A as per coil rating (Award 1 mark or zero) | 1 | ||
| Sub-Total | 4 | ||
| TASK 3: Measurement of Magnetic Field Intensity | |||
| Switched on power supply and energized the coil (Award 1 mark or zero) | 1 | ||
| Measured magnetic field intensity at 0 cm from coil centre using gaussmeter (Award 1 mark or zero) | 1 | ||
| Measured magnetic field intensity at 5 cm, 10 cm, 15 cm, and 20 cm distances using ruler (Award 1 mark for each correct measurement or zero) | 3 | ||
| Recorded all magnetic field intensity readings accurately (Award 1 mark or zero) | 1 | ||
| Switched off power supply after measurements (Award 1 mark or zero) | 1 | ||
| Sub-Total | 7 | ||
| TASK 4: Housekeeping and Reporting | |||
| Disconnected equipment and stored tools and materials properly (Award 1 mark or zero) | 1 | ||
| Cleaned work area according to workshop procedure (Award 1 mark or zero) | 1 | ||
| Prepared a report detailing the magnetic field intensity measurements and observations (Award up to 3 marks based on completeness and accuracy) | 3 | ||
| Sub-Total | 5 | ||
| PRODUCT CHECKLIST | |||
| Magnetic field intensity measurements recorded at specified distances (0, 5, 10, 15, 20 cm) (Award 1 mark for each accurate measurement set or zero) | 3 | ||
| Setup coil correctly (200 turns, 250 mm diameter) and stable on bench (Award 2 marks or zero) | 2 | ||
| Electrical connections are neat, secure, and correct (Award 2 marks or zero) | 2 | ||
| Report is clear, complete, and includes observations on magnetic field variation with distance (Award 3 marks or zero) | 3 | ||
| Sub-Total | 10 | ||
| GRAND TOTAL | 29 | ||