The pulses in pulsating direct current are often referred to as ____.
a. ripple
b. flicker
c. oscillation
d. brownouts
a. ripple
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Answer the following statement(s) true (T) or false (F)
1. According to the National Electrical Code®, the AHJ must personally conduct or witness an emergency system test and verify its functionality in writing before using the system. 2. A capacitor is used to remove unwanted ripple from the output of a rectifier and will maintain a constant voltage regulation. 3. When transporting power over long distances, DC remains the best choice. 4. A rectifier converts AC into pulsating DC. 5. According to the National Electrical Code®, all boxes and enclosures containing emergency systems must be clearly and permanently marked to indicate the presence of emergency circuits or systems.
Which of the following would be considered an abiotic factor of an ecosystem?
a. fungi c. water b. mosquitoes d. antelope
Name the three types of S-curved designs
What will be an ideal response?
What device is designed to prevent the tractor?s rear wheels from slipping?
a. Mechanical engagement lever b. Automatic detent c. Differential lock d. Range selector