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How does the strength of the magnetic fi...

How does the strength of the magnetic field at the centre of a circular coil of a wire depend on:(a)radius of the coil(b) number of turns of coil.

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. What are the factors on which the strength of magnetic field produced ...

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  2. Draw the patern of field lines due to a bar magnet. Mention any two pr...

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  3. How does the strength of the magnetic field at the centre of a circula...

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  4. How does the strength of the magnetic field at the centre of a circula...

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  5. How does the strength of the magnetic field at the centre of a circula...

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  6. Draw the pattern of field lines due to a solenoid carrying electric cu...

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  7. Draw the pattern of magnetic field lines through and around a current ...

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  8. Draw the pattern of magnetic field lines through and around a current ...

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

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  10. State Fleming's left hand rule.

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  11. Describe the activity that shows that a current-carrying conductor exp...

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  12. Name the methods of producing induced emf.

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  13. Can a freely suspended current carrying solenoid stay in one direction...

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  14. What are magnetic field lines? How is the direction of a magnetic fiel...

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  15. Draw the patern of field lines due to a bar magnet. Mention any two pr...

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  16. State two properties of magnetic field lines.

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  17. Why is pure iron not used for making permanent magnets? Name any one m...

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  18. Draw the lines of force of the magnetic field through and around singl...

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  19. Draw the lines of force of the magnetic field through and around a sol...

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  20. State Fleming's left hand rule. With the help of a labelled diagram de...

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