## Basic Electrical Engineering MCQ_77_1(AC Fundamental)

Q.106 The negative maximum value of cosine wave occurs at __.     A. 0º     B. 90º     C. 180º     D. 270º Ans.: C Q.107 the average value of sin2Ѳ over a complete cycle is__     A. 1/2     Read More …

## Basic Electrical Engineering MCQ_76_1(AC Fundamental)

Q.91 The two alternating current IAand IB are said to be out of phase with each other if the phase difference between them is ___ (leading or lagging).     A. 180º or 2л     B. 180º or л     C. Read More …

## Basic Electrical Engineering MCQ_75_1(AC Fundamental)

Q.76 which of the following is correct representation of v(t) = Vm sin (ωt + ф)?     A. Vm = r ∠ ф     B. v(t) = r ∠ Vm     C. v(t) = r ∠ ф     D. v(t) Read More …

## Basic Electrical Engineering MCQ_74_1(AC Fundamental)

Q.61 Most electrical measuring instruments are constructed to read ___ of voltage and current being measured.     A. effective value     B. r.m.s value     C. virtual value     D. all of the above Ans.: D Q.62 The voltage and Read More …

## Basic Electrical Engineering MCQ_72_1(AC Fundamental)

Q.46 For sine wave half cycle average value if given by     A. 0.637 x maximum value     B. 2 x maximum value/л     C. Both A and B     D. 2 x maximum value Ans.: C Q.47 which of Read More …

## Basic Electrical Engineering MCQ_71_1(AC Fundamental)

Q.31 Why the designers of ac generators try always to obtain a waveform approximating as closely as possible to that of a pure sine wave?     A. sine wave greatly simplifies the theory and calculations of ac circuits     B. Read More …

## Basic Electrical Engineering MCQ_70_1(AC Fundamental)

Q.16 The time required to complete one cycle is called___.     A. period time     B. rotational     C. frequency     D. angular momentum Ans.: A Q.17 The unit of period is__     A. meter     B. second     C. Read More …

## Basic Electrical Engineering MCQ_69_1(AC Fundamental)

Q.1 An Alternating quantity which change its ___.     A. direction only     B. magnitude only     C. direction and magnitude     D. none of the above Ans.: C Q.02 An alternating current or voltage is any current that varies Read More …