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State Coulomb's law in electrostatics....

State Coulomb's law in electrostatics.

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Is Coulomb's law in electrostatics applicable in all situations?

State Gauss' law in electrostatics. Using this law, derive an expression for the electric field due to an infinitely long straight charged wire at a point distant r from it. Plot a graph showing the variation of electric field with r.

Give two similarities between Biot Savart's law for magnetic fields and Coulomb's law for electrostatic fields.

State and explain Coulomb's law of force in electrostatics. What are its limitations? Define one coulomb of charge using this law.

State Coulomb's law in vector form and prove that vecF_21 = - vecF_12 where letters have their usual meanings.

Give two differences between Biot Savart's law for magnetic fields and Coulomb's law for electrostaic fields.

State and explain Coulomb's law of force in electrostatic. What is the SI unit of charge and hence define one coulomb of charge using this law?