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Do you know how old electric calling bel...

Do you know how old electric calling bells works?

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An electric bell contains an electromagnet ,consisting of coils of insulated wire wound round iron rods.When an electric current flows through the coil . The rods become magnets and attract a piece of iron attached to the clapper. The clapper his bell and make it ring.
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VGS PUBLICATION-BRILLIANT-ELECTROMAGNETISM-QUESTION GIVEN IN THE LESSON(1 MARK)
  1. What is the use of introducing the ideas of magnetic flux and magnetic...

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  2. Are there any sources of magnetic field other than magnets?

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  3. Do you know how old electric calling bells works?

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  4. What happens when a current carrying wire is placed in a magnetic fiel...

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  5. Do you feel any sensation on your skin?

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  6. What could be the reason for that?

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  7. Why does the picture get distored?

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  8. Is the motion of electrons reaching the screen affected by the magneti...

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  9. Can we calculate the force experienced by a charge moving in a magneti...

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  10. Can we generalize the equation for magnetic force on charge when there...

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  11. What is the magnetic force on the charge moving parallel to the magnet...

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  12. What is the direction of magnetic force acting on a moving charge?

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  13. Can you determinate the magnetic force on a current carrying wire whic...

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  14. What is the force on a wire if its length (L ) makes an angle 'theta' ...

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  15. How could you find its (current carrying wire) direction?

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  16. Is the direction of deflection observed experimentally same as that of...

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  17. Does the right hand rule give the explanation for the direction of mag...

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  18. Can you give a reason for it (deflection of wire)?

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  19. Does the deflection fit with the direction of magnetic force found by ...

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  20. What happens when a current carrying coil is placed in a uniform magne...

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