A straight conductor of circular x-section carries a current.
Which one of the following statements is true in this regard?
A. No force acts on the conductor at any point
B. An axial force acts on the conductor tending to increase its length.
C. A radial force acts towards the axis tending to reduce its cross-section.
D. A radial force acts away from the axis tending to increase its cross-section.
Show Answer
Answer: C
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