A magnetic particle build-up from a discontinuity is strongest when th – McqOptions

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1.	A magnetic particle build-up from a discontinuity is strongest when the discontinuity is oriented:
A.	180o to the magnetic field
B.	45o to the magnetic field
C.	90o to the magnetic field
D.	90o to the current flow
Answer» D. 90o to the current flow

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