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Is Biot-savart law is used for computing the resultant magnetic field?(a) True(b) FalseI had been asked this question in a job interview.My question is from The Vortex Filament, Biot-Savart Law, Helmholtz Theorem topic in division Flow over Airfoils over Finite Wing of Aerodynamics

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Right answer is (a) True

Easy explanation: The biot-savart law is USED for computing the resultant magnetic FIELD at POSITION r in 3D –space generated by a steady current. Steady current is a continual flow of charges which does not charge wit time and the charge NEITHER accumulates nor depletes at any point.



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