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How is the strength of the magnetic fiel...

How is the strength of the magnetic field at a point near a wire related to the strength of electric curent flowing in the wire?

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. How will the magnetic field intensity at the centre of a circular coil...

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  2. How can it be shown that a magnetic field exists around a wire through...

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  3. How is the strength of the magnetic field at a point near a wire relat...

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  4. What constitutes the field of a magnet?

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  5. How can you show that the magnetic field produced by a given electric ...

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  6. It is observed that when a magnetic compass is brought near a bar magn...

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  7. When is the force experienced by a current carrying conductor placed i...

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  8. What happens to magnetic needle it is brough near a current carrying c...

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  9. Find the force acting on a current carrying conductor placed in an uni...

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  10. Consider a circular loop of wire lying in the plane of the table, let ...

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  11. When is a magnetic field said to be uniform? Draw magnetic lines of fo...

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  12. What is the principle of an electric motor?

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  13. What is the principle of an electric motor?

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  14. Magnetic field lines of two magnets are shown as follows. Name the pol...

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  15. Why two magnetic lines of forces never intersect each other?

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  16. What is the role of the split ring in an electric motor?

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  17. How can it be shown that a magnetic field exists around a wire through...

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  18. Describe an activity with a neat diagram to show the magnetic field li...

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  19. Describe an activity with a neat diagram to show the magnetic field li...

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  20. What are magnetic filed lines? How can the magnetic lines of force due...

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