Which of the following types of lighting fixtures is most likely to be used to provide general illumination in patient observation areas in a health care facility?
a. Fluorescent
b. Incandescent
c. Halogen
d. HID
a. Fluorescent
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____ are caused by voltages induced into the conductors and other surrounding metal parts.
A. Hysteresis currents B. Skin currents C. Dielectric currents D. Eddy currents
____ is the condition where the electrical current in the circuit rises from zero to (theoretically) infinity, instantaneously, because of short-circuits and ground-faults.
a. Overphase b. Overcondition c. Overcircuit d. Overcurrent
Which of the following is the most important advantage of SSB systems?
A. Reducing the noise present at receiver by half. B. All information is contained within varying-amplitude sidebands. C. More effective utilization of the available frequency spectrum. D. The carrier amplitude and frequency always remain constant.