Question

At what distance from a long straight wire
carrying a current of 12 A will the magnetic field
be equal to 3 x 10⁻⁶ Wb /m² ?
(a) 8 x 10⁻²m (b) 12 x 10⁻²m
(c) 18 x 10⁻²m (d) 24 x 10⁻²m

Answer 1

Answer:

part (b) hai is question ka ans.