A long straight wire carries a current of π amp. The magnetic field due to it will be 5×10-5 weber/m2 at what distance from the wire [μ0= permeability of air]

Question:

A long straight wire carries a current of π amp. The magnetic field due to it will be 5×10^-5 weber/m² at what distance from the wire [μ₀= permeability of air]

Options :

(a) 10^4µo m
(b) 10^4/µo m
(c) 10^6µo m
(d)10^6/µo m

Answer :

(a) 10⁴µ_om

Answer Steps :

step 1:

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