| Lesson Plan |
| Grade: 12 |
Date: 25/02/2026 |
| Subject: Physics |
| Lesson Topic: draw and interpret circuit diagrams containing the circuit symbols shown in section 6 of this syllabus |
Learning Objective/s:
- Describe the standard circuit symbols from Section 6 and their conventional usage.
- Draw clear, correctly labelled circuit diagrams for series, parallel, and RC circuits.
- Interpret circuit diagrams to determine current, voltage, and charging behaviour using Ohm’s law and Kirchhoff’s rules.
- Identify and correct common drawing errors such as misplaced meters, missing polarity, and incorrect junctions.
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Materials Needed:
- Projector or interactive whiteboard for displaying symbols and examples.
- Printed worksheets with practice circuit‑drawing tasks.
- Set of physical circuit components (batteries, resistors, switches, ammeter, voltmeter, potentiometer, capacitor, inductor, fuse) for demonstration.
- Whiteboard and markers.
- Student notebooks or laptops for sketching diagrams.
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Introduction:
Begin with a quick visual of a real lab‑bench circuit and ask students how they would record it on paper. Review prior knowledge of basic components and Ohm’s law, linking this to the need for standard symbols. Explain that today’s success criteria are: accurate symbol use, correct placement of measuring instruments, and clear labeling.
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Lesson Structure:
- Do‑Now (5′): Students sketch a simple series circuit from a photo and label components.
- Mini‑lecture (10′): Introduce Section 6 symbols, drawing conventions, and proper placement of ammeter/voltmeter.
- Guided practice (15′): Work through Example 1 (series circuit) on the board, modelling a correct diagram and interpretation.
- Collaborative activity (15′): In pairs, students draw the voltage‑divider and RC circuits (Examples 2 & 3) on worksheets, then exchange for peer feedback.
- Common‑mistakes carousel (10′): Groups rotate stations highlighting errors (voltmeter in series, missing polarity, etc.) and correct them.
- Quick check (5′): Exit ticket – draw a circuit that measures current through R₃ and voltage across R₃ with a battery and switch.
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Conclusion:
Summarise how correct symbols and labeling enable accurate analysis of circuit behaviour. Collect the exit tickets to gauge understanding, and remind students to complete the worksheet homework, drawing a complete circuit for a given experimental setup.
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