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Draw the pattern of magnetic field lines...

Draw the pattern of magnetic field lines through and around a current carrying loop of wire. How does the strength of magnetic field due to current in a loop be affected if
the radius of the loop is reduced to half of the original radius.

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. Draw the pattern of field lines due to a solenoid carrying electric cu...

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

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

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

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  5. State Fleming's left hand rule.

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

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  7. Name the methods of producing induced emf.

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

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

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

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  11. State two properties of magnetic field lines.

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

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

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

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

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

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  17. The best material to make permanent magnet is

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  18. Name one metal each to make a permanent magnet and a temporary magnet.

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  19. Describe an activity to show that you can make an electromagnet in you...

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  20. What is meant by magnetic field? Mention two parameters that are neces...

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