4415244
Descripción
Test por ivan_kwan_rui_feng, actualizado hace más de 1 año
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Creado por ivan_kwan_rui_feng
hace más de 10 años
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Pregunta 1
Pregunta
Forces are not the same as energy
Respuesta
- True
- False
Pregunta 2
Pregunta
How do you create a temporary magnet?
Respuesta
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Place the material which is to be magnetised and the magnet in water.
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Stroke the magnetic material with a magnet a few times.
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Connect two batteries to each end of the magnetic material.
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Coil a wire as many times as you can around the magnetic material and connect the two ends of the wire to batteries.
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Coil a wire as little times as you can around the magnetic material and connect the two ends of the wire to batteries.
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Place a magnet and the magnetic material close to each other.
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Stick the magnet to the magnetic material.
Pregunta 3
Pregunta
Magnetic force can pass through non-magnetic materials
Respuesta
- True
- False
Pregunta 4
Pregunta
How many different types of visible energy are there?
Respuesta
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1
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2
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3
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4
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