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Chapter overview
Study Sound and Electricity through notes, flashcards, revision, MCQs, and long-answer practice.
Practice ready
4211 MCQs and 2600 written prompts are ready for focused chapter work.
Topics
2
Recall
6
Cards
12
Topic 1
Sound needs a medium and is produced by vibration.
Topic 2
Current flows only when the circuit is complete.
Chapter pack
Topic list
Topic 1
Sound is produced by vibrating bodies and travels through a material medium as a longitudinal wave. Pitch, loudness, and quality depend on wave features such as frequency and amplitude.
Topic 2
Electric current is the flow of charge in a closed circuit, and magnetism links current to magnetic effects in wires and simple devices.
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