is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another_______________?
Correct answer: B. Meggar
- A. Tangent galvanometer
- B. Meggar
- C. Current transformer
- D. None of the above
Explanation
A Megger, or insulation-resistance tester, measures very high resistance between conductors and between a conductor and earth. The other listed devices measure magnetic field, current transformation, or current rather than insulation resistance.
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