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Below we see a good Universal Ammeter being tested. External Ammeter and Current Source are part of test setup. External Ammeter always reads correct.
External Ammeter always reads correct. Note that External Ammeter does not always agree with Universal Ammeter shown below. Determine which Universal Ammeter component has failed. Is it R1, R2, R3, 2 ma switch, 10 ma switch, 100 ma switch or Meter Movement.
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Look Inside p.58 of Chapt.2
LOOK INSIDE! books above and read the pages indicated. Starting 2014, I will assign reading from the books that provide free readings in LOOK INSIDE! readings that are relevant to current topic..
Answer: Meter Movement
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