Question

The magnetic field of a distance of 2cm from
the axis of straigh conductor carring
current is 12mt. The current in the
conductor is
​

Answer 1

Answer:

I = 1200A

Explanation:

B = μi/2πR

12 × 10⁻³ = (4π × 10⁻⁷)i/2π(2 × 10⁻²)

i.e i = 1200 ampere