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What are the point charges?...

What are the point charges?

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If the linear size of the charged bodies are much smaller than their distance of separation, then these charged bodies are called point charges.
e.g: Electrons, protons, ions, molecules.
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Two point charges +10muC and -15muC are placed at the vertices A and B of a right angle Delta^("le") ABC, such that AB=0.05m, BC=0.12m . Calculate the result field intensity at the point C. If +100muC of charge is palced at C, then what force will be experienced by the point charge at C?

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SUBHASH PUBLICATION-ELECTRIC CHARGES AND FIELDS-NUMERICALS WITH SOLUTIONS
  1. What are the point charges?

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  2. Two point charges -2nC and +8nC are separated in air by a distance of ...

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  3. Two point charges q(1)=+4 mu c and q(2)=+32 muc are spearated in air a...

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  4. Two point charges +10muC and -15muC are placed at the vertices A and B...

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  5. Four point charges +2nC,-3nC,+4nC,-5nC are placed at the vertices A,B,...

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  6. In the given figure, what is the Flux enclosed by A and B?

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  7. A system has two charges q(A)=2.5xx10^(-7)C and q(B)=-2.5xx10^(-7)C lo...

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  8. Two point charges +10nC and -10nC are separated by a distance of 0.02m...

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  9. Two point charges +20nC and -20nC are separated by a distance of 0.10...

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  10. Two point charges q(A)=3muC and q(B)=-3muC are located 0.2 m apart in ...

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  11. A system has two charges q(A)=2.5xx10^(-7)C and q(B)=-2.5xx10^(-7)C lo...

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  12. An electric dipole with dipole moment 4xx10^(-9) cm is aligned at 30^...

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  13. a. Two insulated charged copper spheres A and B have their centres sep...

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  14. Two insulated charged copper spheres A and B have their centres separa...

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  15. Consider a uniform electric field vecE=3xx10^(3)hatiNC^(-1) a. Whate...

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  16. A uniformly charged conducting sphere of 2.4 m diameter has a surface ...

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  17. An infinite line charge produces a fiedl of 9xx10^(4)NC^(-1) at a dist...

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  18. Two large, thin metal plates are parallel and close to each other. On ...

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  19. An oil drop of 12 excess electrons is held stationary under a constant...

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  20. In a certain region of space, electric field is along the z-direction ...

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  21. The electric field components areE(x)=ax^(1//2),E(y)=E(z)=0 in which a...

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