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What kind of energy transformation takes...

What kind of energy transformation takes place in an electric motor ? Name any two devices which use electric motor as an essential component of their working .

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In an electric motor, electrical energy is converted into mechanical energy. Electric motor is used as an essential component in electric fan, washing machine, etc.
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ZEN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT -Additional question section (Short answer [SA] type 1 questions)
  1. If the speed of rotation of the armature of a generator is doubled, ho...

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  2. For the current-carrying solenoid shown, draw the magnetic field lines...

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  3. What kind of energy transformation takes place in an electric motor ? ...

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  4. What is the role of fuse used in series with any electrical appliance ...

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  5. Whay is the earth pin longer and thicker than live and neutral pins ...

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  6. Name the three types of wires used in domestic circuits and mention t...

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  7. Give two uses of a magnetic compass.

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  8. A freely suspended magnet always points along north-south direction. W...

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  9. What are magnetic field lines ? How is the direction of a magnetic fie...

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  10. What is the direction of magnetic field lines inside a bar magnet and ...

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  11. What does the degree of closeness of the field lines represent ?

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  12. Name the SI unit of magnetic field and define it.

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  13. Identify the poles of the magnet in the given Figures.

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  14. In the Figure, identify the poles marked P and Q as north pole or sout...

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  15. Why does a current-carrying conductor experience a force in a magnetic...

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  16. It is established that an electric current through a conductor produce...

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  17. A magnetic compass shows a deflection when placed near a current-carry...

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  18. A horizontal power line carries a current from east to west direction....

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  19. What would happen to the direction of rotation of a motor, if i] t...

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  20. How can the speed of rotation of the armature coil of an electric moto...

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