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What could be the reason for that?...

What could be the reason for that?

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When we keep our hand near the CRT screen our hair acquires an induced positive charge which gets attracted to the screen's static negative charge (by electrons).
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VGS PUBLICATION-BRILLIANT-ELECTROMAGNETISM-QUESTION GIVEN IN THE LESSON(1 MARK)
  1. What happens when a current carrying wire is placed in a magnetic fiel...

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  2. Do you feel any sensation on your skin?

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  3. What could be the reason for that?

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  4. Why does the picture get distored?

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. Can we use this knowledge to construct an electric motor?

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  19. What is the angle made by AB and CD with magnetic field?

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  20. Can you the direction of magnetic force on sides AB and CD?

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