Question

The magnetic field (dB) due to small element (dl) at a distance
(r ⃗)
r from element carrying current i, is
(a) dB = μ₀/4π i (dl ⃗ × r ⃗/r)
(b) dB = μ₀/4π i² (dl ⃗ × r ⃗/r²)
(c) dB = μ₀/4π i² (dl ⃗ × r ⃗/r²)
(d) dB = μ₀/4π i (dl ⃗ × r ⃗/r³)

Answer 1

Answer:

Hey mate.......

Explanation:

d) will be your answer.