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VK GLOBAL PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-VERY SHORT ANSWER QUESTIONS
- What happens if a current carrying conductor is placed in the magnetic...
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- On what effect of an electric current does an electromagnet work?
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- Name the alloy which is mainly used for making permanent magnets.
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- Why is electromagnetic induction so called?
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- Name an instrument in which the directive property of a magnet is used...
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- What is solenoid?
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- Which effect of electric current is utilised in the working of an elec...
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- What is the frequency of A.C. (alternating current) in India?
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- What will you do if you see a person coming in contact with a live wir...
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- How can it be proved that a magnetic field exists around a current car...
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- How is the strength of the magnetic field at a point near a wire relat...
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- How is the fuse connected in an electric circuit?
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- Why is a fuse usually made of tin or tin-copper alloy?
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- What is the capacity of a fuse commonly used in domestic electrical fi...
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- Name the device used to protect the electric circuits from overloading...
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- On which effect of electricity does fuse work?
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- What kind of magnetic field is produced by a current carrying solenoid...
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- Show, with the help of a diagram, the nature of field lines of magneti...
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- State Faraday's law of electromagnetic induction.
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- The frequency of alternating current in India is 50 Hz. What does it ...
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