Calculate-the-magnetic-field-produced-at-ground-level-by-a-15A-current-flowing-in-a-long-horizontal-wire-suspended-at-a-height-of-7-5m-

Question Number 18415 by tawa tawa last updated on 20/Jul/17

Calculate the magnetic field produced at ground level by a 15 A current

flowing in a long horizontal wire suspended at a height of 7 . 5 m

Commented by tawa tawa last updated on 20/Jul/17

please help .

Answered by diofanto last updated on 20/Jul/17

B = \frac{μ_{0} I}{2 π R} = \frac{4 π \times 10^{- 7} \times 15}{2 π \times 7.5} = 4 \times 10^{- 7} T

Commented by tawa tawa last updated on 20/Jul/17

God bless you sir .