If an uncharged capacitor, a resistor, a switch and a 12 V battery are connected in series, what is the voltage across the capacitor after it is fully charged?
A) 12 V B) 24 V C) -6 V D) 6 V
A
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A) One refrigerant line to feed a single indoor unit. B) Multiple refrigerant lines to feed a single indoor unit. C) One refrigerant line to feed multiple indoor units. D) Multiple refrigerant lines to feed multiple indoor units.
The economizer on a commercial packaged air conditioning system
A) Limits the operating cycles of the system to no more than 15 minutes B) Reduces the voltage to the compressor during peak loads to save power C) Uses outdoor air to provide cooling at low ambient temperatures D) Reduces the indoor blower speed during peak loads to produce cooler air and save energy
Given the following matrix:
