Ask Question
2 March, 22:15

The magnetic field a distance 2 cm from a long straight current-carrying wire is 2 * 10-5 t. the current in the wire is:

+4
Answers (1)
  1. 2 March, 23:11
    0
    Current in the wire = 2 A

    Explanation:

    the magnetic field is given by

    B = / frac{/mu i}{2/pi r}

    μo = 4π x 10⁻⁷ Tm/A

    i = current

    r=0.02 m

    B = magnetic field = 2 x 10⁻⁵ T

    2 x 10⁻⁵ = (4π x 10⁻⁷) (i) / (2π*0.02)

    i=2 A
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The magnetic field a distance 2 cm from a long straight current-carrying wire is 2 * 10-5 t. the current in the wire is: ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers