A law establishing the fact that the algebraic su of the rises and drops of the mmf around a closed loop of a magnetic circuit is equal to zero.

A. Kirchhoff's circuital law

B. Maxwell's circuital law

C. Ampere's circuital law

D. Coulomb's circuital law

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  18. Another term for corona discharge.
  19. Which of the following is a natural magnet?
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  26. The force between two magnetic poles is _____ the relative permeability of the medium.
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