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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 the wire depend on
the strength of the current flowing in the coil?

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. How does the strength of the magnetic field at the centre of a circula...

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

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

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

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

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

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

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  8. State Fleming's left hand rule.

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

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  10. Name the methods of producing induced emf.

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

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

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

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  14. State two properties of magnetic field lines.

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

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

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

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

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  19. What is an electromagnet? What does it consist of?

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  20. The best material to make permanent magnet is

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