#henry__H  a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
  supertype:  inductance_unit  a measure of the property of an electric circuit by which an electromotive force is induced in it
  part:  abhenry  a unit of inductance equal to one billionth of a henry
  part:  millihenry  a unit of inductance equal to one thousandth of a henry

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