law of resistance processor

there are two nicke wires ,one copper wire,one iron wire,each one is 100cm in the wooden board.there is binding post in the wire

law of resistance processor

  • Country:China (Mainland)
  • telephone:86-573-82697328,82698068
law of resistance processor
with accumulator ,single knife switch,DC amperemeter,voltameter can do many kinds of experiment
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