Underground cable is laid in a trench dug by a trenching device
Indicate whether the statement is true or false
FALSE
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An LED typically requires a series resistor to limit the current flow through the LED.
Answer the following statement true (T) or false (F)
Using a spreadsheet, consider the four independent projects outlined below. At 5% per year and a 15?year study period, (a) determine which projects are acceptable, and (b) the value of the annual M&O cost to make any nonacceptable project acceptable with a B/C ratio of at least 1.0. (Note: Utilize a logical IF function somewhere in your analysis.)
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Logic gates are the building blocks of digital systems
Indicate whether the statement is true or false
The ripple frequency of a half-wave rectifier is
A) twice the ac input frequency B) equal to the ac input frequency C) one-half the ac input frequency D) zero