Answer the following statement(s) true (T) or false (F)
1. In a direct-current circuit, there will be no inductive effect once the current reaches the value defined by Ohm’s law and remains constant.
2. One radian is equal to the angle at the center of a circle, subtended by an arc whose length is equal to the radius.
3. The basic rule of vector addition cannot be applied to vector combinations that are not in a straight line.
4. Impedance is represented by the letter I.
5. Reactive power is expressed in a unit called volt-amperes-reactive.
1. True
2. True
3. False
4. False
5. True
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Fill in the blank(s) with the appropriate word(s).
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A) crowns B) leaves C) eyes D) stems
Exposed runs of Type AC cable installed on the underside of joists must be supported at ____.
A. every joist B. alternate joists C. every junction D. alternate junctions
An RLC parallel circuit has an applied voltage of 277 volts. R = 82 ?, XL = 50 ?, and XC = 124 ?. What is the true power?
A. 694.67 W B. 753.58 W C. 935.72 W D. 1018.78 W