Electric Circuit Analysis Quizzes

Electric Circuit Analysis Quiz Answers - Complete

Unbalanced Y-Connected Load multiple choice questions and answers, unbalanced y-connected load quiz answers PDF 17 to learn Electric Circuit Analysis course for college certification. Learn Polyphase Circuits MCQ trivia questions, unbalanced y-connected load Multiple Choice Questions (MCQ) for online college degrees. Unbalanced Y-Connected Load Interview Questions PDF: three phase systems, equivalent y and δ connections, unbalanced y-connected load test prep for college entrance examination.

"Current on phasor diagram of unbalanced Y-connected load has" MCQ PDF with choices *symmetry, no symmetry, random variation, and spikes* for employment assessment test. Solve polyphase circuits questions and answers to improve problem solving skills to enroll in online colleges.

**MCQ**: Current on phasor diagram of unbalanced Y-connected load has

no symmetry

symmetry

random variation

spikes

a

**MCQ**: If three impedances of Y and Δ connections are equal, than

Z_{Δ}⁄Z_{Y}=2

Z_{Δ}⁄Z_{Y}=3

Z_{Δ}⁄Z_{Y}=1

Z_{Δ}⁄Z_{Y}=1/2

b

**MCQ**: Three sinusoidal voltage sources of three phase generator are

180° out of phase with each other

120° out of phase with each other

60° out of phase with each other

90° out of phase with each other

b

**MCQ**: Three sinusoidal voltage sources of three phase generator have

inverse frequencies

random frequencies

infinite frequencies

same frequencies

d

**MCQ**: A certain passive network has equivalent impedance Z=3+j4 Ω and an applied voltage of v=42.5cos(1000t+30°), then reactive power of network is

12.2 VAR

144.5 VAR

232.9 VAR

543.3 VAR

b

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