"A copper wire of diameter 1.6 mm carries..." solved and explained

Draven Crane

Answered question

2023-01-10

A copper wire of diameter 1.6 mm carries a current of 20 A. Find the maximum magnitude of the magnetic field

\vec{B}

due to this current.

Answer & Explanation

Mikayla Cox

Beginner2023-01-11Added 15 answers

there diameter =

1.6 \times 10^{- 3} m

∴

radius

= 0.8 \times 10^{- 3} m

So we given

B = \frac{μ_{0} i}{2 π r} \frac{2 \times 10^{- 7} \times 20}{0.8 \times 10^{- 3}} = 5 m T

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