GATE EE 2020 Paper 1 — page 18

Questions 52–54 of 65. Imported answers require review unless explicitly marked reviewed.

The number of purely real elements in a lower triangular representation of the given

matrix, obtained through the given decomposition is ________.

Your answerChoose one option.

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The figure below shows the per-phase Open Circuit Characteristics (measured in V) and Short Circuit Characteristics (measured in A) of a 14 kVA, 400 V, 50 Hz, 4-pole, 3-phase, delta connected alternator, driven at 1500 rpm. The field current,

is measured in A. Readings taken are marked as respective

coordinates in the figure. Ratio of the unsaturated and saturated synchronous impedances (

) of the alternator is closest to:

Diagram for Electrical Engineering question 43

Your answerChoose one option.

2.100

2.025

2.000

1.000

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Let

and

be unit vectors along x and y directions, respectively. A vector function is given by

The line integral of the above function

along the curve

, which follows the parabola

as shown below is ______ (rounded off to 2 decimal places).

Diagram for Electrical Engineering question 44

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2020 · Paper 1

Question 42

Question 43

Question 44