Q. Which of the following gives the value of magnetic field according to Biot-Savart’ law
A) $\frac{i\mathrm{\Delta}l\sin\theta}{r^{2}}$
B) $\frac{\mu_{0}}{4\pi}\ \frac{i\mathrm{\Delta}l\sin\theta}{r}$
C) $\frac{\mu_{0}}{4\pi}\ \frac{i\mathrm{\Delta}l\sin\theta}{r^{2}}$
D) $\frac{\mu_{0}}{4\pi}\ i\mathrm{\Delta}l\sin\theta$
Explanation
The correct answer is Option C: $\frac{\mu_{0}}{4\pi}\ \frac{i\mathrm{\Delta}l\sin\theta}{r^{2}}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.