NEED HELP? |
These questions are about magnets: | ||||||||||||||||||||||
1. Which of these is not a magnetic material?
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2. Which of these diagrams shows the magnetic field lines around the north pole of a magnet? |
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3. Which one of these could not have a magnetic field around it?
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4. When magnets and metal bars are close together they experience forces. Which row gives the correct description of the effect between these materials?
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5. A magnetic compass points North. This shows that...
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6. A student wants to demonstrate the magnetic field lines around a bar magnet. Paper is placed over a bar magnet and a finely powdered substance is sprinkled over the paper.
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7. A uniform magnetic field can be produced between 2 permanent magnets. Which of the following arrangements of magnets will produce the field shown? |
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8. Some materials are easily magnetised when placed in a magnetic field, and then quickly lose their magnetism once the field is removed. These materials are used in electromagnets, and are called...
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9. Fleming's Left Hand Rule can be used to predict the direction of the force on a wire carrying a current, when placed in a magnetic field. Which of these correctly identifies the fingers/thumb? |
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