5. What is the magnetic field experienced by a worker that is 5m below a power line that carries an electric current of 700 A? Answer: B=280\times10^7T
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The formula for the magnetic field around a current-carrying wire is given by: B = (μ0 * I) / (2π * r) where: B = magnetic field (in Tesla) μ0 = permeability of free space = 4π x 10^-7 T*m/A I = current in the wire (in Amperes) r = distance from the wire (in Show more…
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