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Topic: Biot-Savart law, field of circular loop· Magnetic Effects of Current and Magnetism

Given below are two statements :Statement I : Biot-Savart's law gives us the expression for the magnetic field strength of an infinitesimal current element (Idl) of a current carrying conductor only.Statement II : Biot-Savart's law is analogous to Co…

Given below are two statements :

Statement I : Biot-Savart's law gives us the expression for the magnetic field strength of an infinitesimal current element (Idl) of a current carrying conductor only.

Statement II : Biot-Savart's law is analogous to Coulomb's inverse square law of charge q, with the former related to the field produced by a scalar source, Idl while the latter being produced by a vector source, q.

In light of above statements choose the most appropriate answer from the options given below :

1. Statement I is incorrect and Statement II is correct

2. Both Statement I and Statement II are correct

3. Both Statement I and Statement II are incorrect

4. Statement I is correct and Statement II is incorrect

1 answer

Best answer

Answer: 4. Statement I is correct and Statement II is incorrect

Statement I: Biot-Savart law gives the field due to a small current element \(Id\vec l\); this is the standard statement, so it is correct.

Statement II: the law is analogous to Coulomb's law, but the roles are reversed. The current element \(Idl\) is a vector source, while charge \(q\) is a scalar source. The statement swaps them, so it is incorrect.

Statement I correct, II incorrect: option (4).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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