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EEE 360; Exam 1 Questions and Correct Answers/ Latest Update / Already Graded

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EEE 360; Exam 1 Questions and Correct Answers/ Latest Update / Already Graded

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EEE 360; Exam 1 Questions and Correct
Answers/ Latest Update / Already Graded
If the power is positive, the element is absorbing or supplying power.

Ans: absorbing, like a load


If the power is negative, the element is absorbing or supplying power.

Ans: supplying, like a generator.


The RMS value of v(t) = Vmaxcos(wt + theta) is given by:

Ans: Vmax / 2^0.5


For balanced wye-delta loads, Z delta = ?

Ans: Z delta = 3Zy


For delta transformers, Vphase = ?

Ans: V line to line. There is no neutral


In wye circuits, Phase = ?

Ans: V line to neutral voltage

All rights reserved © 2025/ 2026 |

, Page |2



Step-down transformers

Ans: Wye-delta transformers are frequently used as this.


current magnitude

Ans: I_M = rad(2)I_rms


Complex Power (VA)

Ans: S = V_rms x I*_rms;
S = P + jQ
the rating of power equipment is described by the apparent
power, S, also measured in volt-amperes


P = real power
Q = reactive power


In this circuit, the current lags the applied voltage

Ans: inductive


In this circuit, the current leads the applied voltage


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