Question

the coil?
A long straight wire carries a current of 35 A. What is the magnitude
of the field B at a point 20 cm from the wire?​

Answer 1

Answer:

What is the magnitude of the field B at a point 20 cm from the wire? Hence, the magnitude of the magnetic field at a point 20 cm from the wire is 3.5 × 10–5 T.