An alternative form of Biot-Savart's law is
Show Hint
- Gauss's law
- Ohm's law
- Coulomb's law
- Ampere's circuital law
- Joule's law
The Correct Option is D
Solution and Explanation
Biot-Savart's law relates the magnetic field produced by a current-carrying wire. Ampere's circuital law is an alternative form of the Biot-Savart law, and it provides a relationship between the magnetic field and the electric current in a circuit.
The integral form of Ampere's law is: \[ \oint \vec{B} \cdot d\vec{l} = \mu_0 I_{{enc}} \] where:
- \( \vec{B} \) is the magnetic field,
- \( d\vec{l} \) is the differential length element of the closed loop,
- \( I_{{enc}} \) is the enclosed current,
- \( \mu_0 \) is the permeability of free space.
Hence, the correct answer is (D).
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