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Maxwell's inductance-capacitance bridge, also called the Maxwell-Wien bridge, measures an inductance in terms of

  • A.a resistance alone
  • B.a capacitance
  • C.a standard inductance of the same order of magnitude as the unknown coil under test
  • D.the mutual inductance between the source transformer and the detector transformer

Answer: B

The unknown inductive arm is balanced against an arm holding a capacitor in parallel with a resistance, which lies diagonally opposite. A capacitance standard is far more stable and far freer from stray fields than a standard inductor, which is the whole reason for the arrangement.

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