Curriculum
Course: Science — Third Preparatory
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Quiz

Question bank: Unit 2 — Electricity and Magnetism

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1.
Which action is unsafe?
Plugging many high-power appliances into one socket
Using insulated wires
Drying hands before touching a circuit
Disconnecting the source before changing a component
2.
An electric motor converts:
mechanical energy into electrical energy
electrical energy into mechanical energy
heat into light
chemical energy directly into sound
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