Which of the following is true of the neutral in a grounded system?
a. It precludes utilization of power at line-to-neutral voltage.
b. It prevents the current carrying conductor from carrying an unbalanced load.
c. It supersedes the operation of overcurrent devices.
d. It provides a low-impedance return path for the flow of fault current to the source.
d. It provides a low-impedance return path for the flow of fault current to the source.
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The normal location to provide overcurrent protection in an electrical circuit is _____.
a. at the outlet b. where the conductor receives its supply c. where the conductor terminates d. at the last point in the circuit
____________________ is a digital multimeter.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT true about water?
A. It is essential to all life. B. When water is present, some sort of plant or animal life will appear unless precautions are taken to prevent it. C. We are still learning how to recognize and prevent circumstances that permit impurities to enter water supplies. D. Humans can tolerate many of the possible water-supported life forms within or on their bodies.
The up-counter is activated by a false-to-true transition of its rung, and the down-counter is activated by a true-to-false transition.
Answer the following statement true (T) or false (F)