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Questions and Answers
What is the principle on which devices like a telephone, an electric bell, or a motor work?
What is the principle on which devices like a telephone, an electric bell, or a motor work?
- Chemical effect produced by electricity
- Magnetic effect produced by electricity (correct)
- Electrical effect produced by magnetism
- Mechanical effect produced by electricity
What are substances that are attracted by a magnet called?
What are substances that are attracted by a magnet called?
- Magnetic substances (correct)
- Electrical substances
- Chemical substances
- Non-magnetic substances
Which of the following is not a magnetic substance?
Which of the following is not a magnetic substance?
- Nickel
- Iron
- Cobalt
- Aluminium (correct)
What is the most basic law of magnetism?
What is the most basic law of magnetism?
What is the property by virtue of which the attraction occurs or a substance rests in knots out direction by itself called?
What is the property by virtue of which the attraction occurs or a substance rests in knots out direction by itself called?
What is the relationship between electricity and magnetism as per the text?
What is the relationship between electricity and magnetism as per the text?
What happens when you try to place two magnets with the same poles together?
What happens when you try to place two magnets with the same poles together?
Which of the following substances is not attracted by a magnet?
Which of the following substances is not attracted by a magnet?
What is the primary principle on which an electric bell operates?
What is the primary principle on which an electric bell operates?
What are substances that are not attracted by a magnet called?
What are substances that are not attracted by a magnet called?
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