ZIMSEC O-Level Physics
14.4Electronic components
Electronic components in ZIMSEC O-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic23 practice questions2 lessons
Overview
Form 4.
Learning objectives
What the syllabus expects you to be able to do.
- 14.4.1Describe resistor tolerance and use a colour code to find resistance values.
- 14.4.2Choose components with suitable power ratings.
- 14.4.3Describe the action of a variable potential divider.
- 14.4.4Describe the action of thermistors and light-dependent resistors.
- 14.4.5Describe the action of a capacitor.
- 14.4.6Explain the use of reed switches in circuits.
Lessons
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Electronic components: resistors, capacitors and reed switches
32 min
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Potential dividers and sensors
30 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Electronic components into a strength.
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