VERIFIED ANSWERS
What does a basic electromagnetic testing circuit consist of? - ANS ✔✔A. a steel wire coil and a
copper test piece.
B. a copper wire coil and a steel test piece.
C. an alternation current source supplying power to a testing coil.
D. a direct current source supplying power to a test circuit.
Which of the following best describes basic coil arrangements? - ANS ✔✔A. absolute coil and
differential coil arrangements.
B. absolute coil, differential coil, and hybrid coil arrangements.
C. absolute coil and/or hybrid coil.
D. differential coil and hybrid coil only.
In a bridge circuit related to electromagnetic testing, what type of source provides the electrical
power? - ANS ✔✔A. an alternating current source.
B. a 12 V battery.
C. a direct current generator.
D. a half-wave rectified direct current source.
Two coils are wound and electrically connected so that the output of one cancels the other.
What sort of arrangement is this? - ANS ✔✔A. absolute coil.
B. probe coil.
C. differential coil.
D. internal coil.