Is 2D version of Biot-Savart equation is used, when the sources are invariant in one direction?(a) True(b) FalseI had been asked this question in an internship interview.This intriguing question originated from The Vortex Filament, Biot-Savart Law, Helmholtz Theorem in portion Flow over Airfoils over Finite Wing of Aerodynamics

Is 2D version of Biot-Savart equation is used, when the sources are in

1.	Is 2D version of Biot-Savart equation is used, when the sources are invariant in one direction?(a) True(b) FalseI had been asked this question in an internship interview.This intriguing question originated from The Vortex Filament, Biot-Savart Law, Helmholtz Theorem in portion Flow over Airfoils over Finite Wing of Aerodynamics
Answer» Right ANSWER is (a) True Easiest explanation: The 2D version of the biot-savart equation is used when the sources are invariant in ONE direction.in general the current NEED not flow only in a plane normal to the invariant direction and it is GIVEN by the FORMULATIONS given above work well when the current can be approximated as running through an infinitely-narrow wire.

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