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L1-11A.17 – Transformers

L1-11A.17 – Transformers Used to Reduce or Increase AC Voltage Rated by Incoming Voltage Output Voltage Amperage or...

L1-11A.16 – Hertz

L1-11A.16 – Hertz Number of complete cycles per second is the frequency Measured in hertz (one cycle per second), kilohertz, megahertz, gigahertz, or...

L1-11A.15 – AC or DC

L1-11A.15 – AC or DC Voltage can be direct or alternating. A direct voltage maintains the same polarity at all times. In an alternating voltage, the polarity reverses direction periodically. An example of direct voltage is the potential difference between the...

L1-11A.13 – Power = Watts = VA

L1-11A.13 – Power = Watts = VA Is a value of the actual “work” being done by the electricity Is found by multiplying Volts times Amps (thus the VA) Is measured in Watts Symbol is “P”,“W” or...