A(n) ____________________ transformer takes power into its primary winding at a constant voltage and a variable current.
Fill in the blank(s) with the appropriate word(s).
constant-current
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The Alpine, Saanen, and Oberhasli goats all have Swiss heritages
Indicate whether the statement is true or false
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The primary control for all HVACR functions in a direct digital control (DDC) system is
A) Not necessary. DDC systems do not use primary controllers B) A computer C) A multistage thermostat D) A relay pack
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___________ is used to predict the bandwidth necessary for an FM signal
A. Carson's rule B. Ohm's law C. Spectrum analysis D. Bessel functions
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Firewire connectors can have 4, 6, or 9 pins
Indicate whether the statement is true or false
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