Electric Circuit Analysis Competitive Exam MCQs – Mock Test 99

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Free Trigonometric Identities Study App Download (iOS & Android): Period of v(t)=cos5t sin(3t+45°) is; MCQ with answers: 2π s, π s, 20&pi s, and π/2 s. Practice waveform and signals questions and answers, Apple Book to download free chapter for electronics video based learning.

Trigonometric Identities MCQs – Mock Test 99 PDF Download

MCQ 491: Period of v(t)=cos5t sin(3t+45°) is:

π s
2π s
π/2 s
20π s

MCQ 492: In Node analysis we neglect:

voltage source
current source
`power source
resistance

MCQ 493: A mathematical model of a physical process relating the input to the output is called:

System
Model
Circuit
Laplace Transform

MCQ 494: If voltage or current is expressed as sine, it will changed to a cosine by subtracting:

90° from phase
180° from phase
240° from phase
45° from phase

MCQ 495: The system due to unbalanced load or unbalanced source is known as:

Balanced system
Constant system
Un-balanced system
Variable system

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