Explain the left hand rule for flux direction in

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34-2)Explain the left hand rule for flux direction in conductors.
34-3)What is the most common source of power for most HVACR systems?
34-4)What is the purpose of transformers?
34-5)What is a solenoid valve?
34-6)Is there an electrical connection between the primary and the secondary windings of a transformer?
34-7)What could be the cause of a loud hum coming from a transformer?
34-8)Capacitors are broadly categorized how?
34-9)Describe how a DC capacitor would differ from an AC capacitor.
109 34-10)What is capacitive reactance?
34-11)What are the two types of transformers?
34-12)Explain where single-phase power and three-phase power are normally used.

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