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HVAC Electric Review 2 | Comprehensive Q&A For Certification Success

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HVAC Electric Review 2 | Comprehensive Q&A For Certification Success

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HVAC Electric Review 2 | Comprehensive Q&A
For Certification Success

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Practice questions for this set


Learn 1 /7 Study with Learn




Opposition to alternating current flow



Choose an answer



1 Impedance is? 2 Resistance is?



Which of the following is generally
considered to be within the
3 4 Like charges?
maximum allowable (plus or
minus) supply voltage variation?



Don't know?




Terms in this set (120)

, Resistance is? Opposition to current flow


An electron has? A negative charge


Impedance is? Opposition to alternating current flow


Current flow is? Electron flow in a circuit


The safety ground conductor is Green or bare.
usually color coded?


Like charges? Repel each other


The symbol for current is? I


Any material that will readily release A conductor
electrons is called?


Which of the following materials Silicon
would be best suited for use as a
semi-conductor?


How many watts of power are used 1200 watts
by a heater operating at 240 volts
and drawing 5 amps?


Three defrost heaters, each 15 ohms 2880 Watts
are wired in parallel to a 120 volt
power supply. How
many watts of power will be used?

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