In the accompanying figure, a circuit like one for refrigeration or air conditioning is shown. When the thermostat contact closes what happens?



What will be an ideal response?


When the thermostat contact closes, control relay CR energizes and closes all CR contacts. This energizes both the condenser fan motor (CFM) relay and the evaporator fan motor (EFM) relay.

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If the synchronous speed produced by the drive is reduced by half and the voltage remains constant, the current through the motor will __________.

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What are the advantages of electronic media or computer-based service information over print media?

What will be an ideal response?

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