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How do you appreciate a horse shoe magne...

How do you appreciate a horse shoe magnet in the making of a motor?

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1) A horse shoe magnet has a uniform magnetic field in between its poles.
2) If a current carrying wire is kept in this uniform magnetic field it will rotate.
3) So, a horse shoe magnet is appreciable.
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VGS PUBLICATION-BRILLIANT-ELECTROMAGNETISM-CREATIVE QUESTION FOR NEW MODEL EXAMINATION (SEC-2) CONCEPTUAL UNDERSTANDING
  1. IF a copper rod carries a direct current,then where will the magnetic ...

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  2. Which device is used to determine the direction of magnetic field of a...

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  3. Are the magnetic field lines closed? Explain.

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  4. What are the materials required to prove that Faraday's law?

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  5. What do you conclude about magnetic field lines after conducting exper...

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  6. How would you demonstrate the presence of an induced current in the ab...

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  7. There are a) current carrying wire b) current carrying circular coil...

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  8. Mark north and south pole in the given diagram.

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  9. Draw the direction of the magnetic field at 'P'.

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  10. Draw the magnetic field lines in uniform magnetic field.

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  11. Which of the following is appreciable in the making of a motor? Why? ...

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  12. How do you appreciate a horse shoe magnet in the making of a motor?

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  13. Mention two uses of solenoid.

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  14. Give one application to law of electromagnetic induction.

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  15. Where the electromagnets are used?

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  16. What is the frequency of the A.C. supplied in your house?

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  17. Which instruments detects small currents?

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  18. Name the appliances working with the principle of Induced emf

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  19. Give one application of the principle "Electrical energy is converted ...

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  20. Find the length of the conductor which is moving with a speed of 10 m/...

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