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How do electric field lines give us idea...

How do electric field lines give us idea about electric field intensity at different points?

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The electric field intensity at any point is directly proportional to the density of field lines.
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CENGAGE PHYSICS-STATIC ELECTRICITY-MANDATORY EXERCISE (Exercise Set I)
  1. What is a point charge? Can point charge actually exist?

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  2. How can we define intensity of electric field?

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  3. What is the convention for direction of an electric field?'

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  4. What are electric field lines?

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  5. How can we find the direction of electric field from electric field li...

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  6. How do electric field lines give us idea about electric field intensit...

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  7. Can electric field lines intersect each other? Why or why not?

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  8. Draw the electric field lines due to two equal and opposite point char...

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  9. Draw the electric field lines due to two equal and same point charges.

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  10. True or False: The direction of force on a charge in electric field ...

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  11. What is potential energy for a system of charges?

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  12. How can we define electric potential at any point?

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  13. What is a potential difference ?

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  14. What is 1 volt potential difference?

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  15. How are sparks produced?

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  16. How is lightning produced?

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  17. Why are lightning and thunder experienced at different time although t...

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  18. Explain how lightning conductors work.

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  19. True or False: The accumulation of charges is directly proportional to...

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  20. Explain the working of a photocopier and the importance of static elec...

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