Question

A long straight wire carries a current of 35 A. The magnitude of intensity of magnetic induction at a point 20 cm from the wire
​

Answer 1

Answer:

Great question. Well follow my and. Hope this would help you

The magnetic field of a long straight wire is given by

Magnetic field, B=

2πr

μ

o

​

I

​

B=3.5×10

−5

T