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An ebonite rod when rubbed with develop...

An ebonite rod when rubbed with _____ develops negetive charges.

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wool
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MBD PUBLICATION-ELECTRIC CHARGES AND FIELDS-QUESTION BANK
  1. The branch of physics which deals at rest is called electrostatics.

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  2. A glass rod when rubbed with silk develops charges.

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  3. An ebonite rod when rubbed with develops negetive charges.

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  4. law deals with electrostatic force between charges.

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  5. charges attract each other and charges repel each other.

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  6. epsilon0 is called of free space and it's magnitude is .

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  7. What is the value of (1)/(4pi epsilon(0)) in SI unit?

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  8. 1 Pico coulomb is C and 1 u C is C .

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  9. For air or vacuum, K = and fror all other insulating material K = .

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  10. Why do two electric lines of force not intersect each other?

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  11. Lines of force starts from charge.

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  12. A great number of lines of force per unit area represents a electric ...

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  13. Electric dipole consists of charges and the electric dipole moment is...

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  14. Write the expression for the force experienced by a charge q moving wi...

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  15. What is the value of 1/4pi epsilon0?

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  16. How does the electric field at a point due to an electric dipole depen...

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  17. What is the basic difference between electric charges and magnetic pol...

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  18. How is electric field intensity at a point related to the potential gr...

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  19. Two charges + 2 mu C and + 4 mu C are placed 0.1 cm apart. What is the...

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  20. What is the unit of electric field intensity ?

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