[Solved] In electrical resistance welding when the current passes through the metal, the greatest resistance is

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Q.	In electrical resistance welding when the current passes through the metal, the greatest resistance is
A.	At the surface
B.	Through the metals to be welded
C.	At the point of contact of the metal to be welded
D.	At the point where electrode contacts the metal
E.	None of the above
Answer» C. At the point of contact of the metal to be welded

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