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Published byAlexandra Pearson Modified over 9 years ago
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Grade 10 Multiple Choice Questions Click here to start the presentation Click here to start the presentation
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Name the effect shown in the diagram. A Magnetizing B Electromagnetic induction C Charging D Earthing
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Which properties make materials suitable for use as a core in an electromagnet? A It attracts another magnet. B difficult to magnetise and easy to demagnetise C difficult to magnetise and retains magnetic strength D easy to magnetise and demagnetise
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Which particles that flows through the wire as the circuit is closed? A Electrons B protons C neutrons D electrons and protons
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What is the part of a a.c generator acts as contact with coil and external circuit? A the armature A the armature B the brushes C the commutator D the slip rings
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Which magnetic device is shown in the diagram? A. Electric bell B. Relay C. Loudspeaker D. Microphone
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Why do people get electric shocks as shown in the diagram A Door knob has current B Body provides path for electrons to flow C. Body is charged D body is an insulator
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Which of the following will not affect induced e.m.f of a coil? A moving the wire faster B using a stronger magnet C. Having more turns in the coil D Insulating the wire
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The following diagram show the circuit symbol of an electric component. What is the component shows A Fuse B Fixed resistor C Cell D variable resistor
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