Calculate the magnitude of the magnetic field at a point 100cm from a long thin conductor carrying a current of 1A ?

1 Answer
Junaid Mirza
Apr 20, 2018

#2 × 10^-7\ "T"#

Explanation:

Magnetic field due to a straight infinite conductor is given by

#"B" = (μ_0 I)/(2 π a)#

#"B" = (4 cancel"π" cdot 10^-7\ "T" cancel"m"//cancel"A" × 1 cancel"A")/(2 cancel"π" × 1 cancel"m") = 2 × 10^-7\ "T"#

Click here for derivation of above formula.

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