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Why do credit cards have magnetic strips?

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Important Questions on Magnetism

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Science>Physics>Magnetism>Usages of Magnets
What is the primary use of magnets in daily life?
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Science>Physics>Magnetism>Usages of Magnets
How are magnets used in compasses?
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Science>Physics>Magnetism>Usages of Magnets
How do magnets help in detecting counterfeit currency?
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Science>Physics>Magnetism>Usages of Magnets
Why are electromagnets preferred in cranes?
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Science>Physics>Magnetism>Usages of Magnets
What is the purpose of magnets in dynamos?
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Science>Physics>Magnetism>Usages of Magnets
Why are magnets used in door locks?
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Science>Physics>Magnetism>Usages of Magnets
How are magnets used in magnetic levitation trains?
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Science>Physics>Magnetism>Usages of Magnets
Where is an electric crane used?
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Science>Physics>Magnetism>Usages of Magnets
Which type of magnet is commonly used in electric motors?
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Science>Physics>Magnetism>Usages of Magnets
Why are magnets used in electric bells?
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Science>Physics>Magnetism>Usages of Magnets
What is the role of magnets in loudspeakers?
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Science>Physics>Magnetism>Usages of Magnets
Why are magnets used in electronic devices?
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Science>Physics>Magnetism>Usages of Magnets
How do magnets help in MRI machines?
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Science>Physics>Magnetism>Usages of Magnets
What type of magnet is used in headphones?
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Science>Physics>Magnetism>Usages of Magnets
What is the role of magnets in particle accelerators?
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Science>Physics>Magnetism>Usages of Magnets
Which magnetic material is used in making permanent magnets?
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Science>Physics>Magnetism>Usages of Magnets
People who made mariner’s compass for the first time.
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Science>Physics>Magnetism>Usages of Magnets
Which of the following magnets is used in a speaker?
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Science>Physics>Magnetism>Usages of Magnets
How are magnets applied in magnetic therapy?
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Science>Physics>Magnetism>Usages of Magnets
How are magnets utilized in separating materials?