Engineering Mathematics [GATE (Graduate Aptitude Test in Engineering) Electrical Engineering (EE)]: Questions 151 - 154 of 249

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Question 151

Appeared in Year: 2017

Question MCQ▾

The figures show diagrammatic representations of vector fields respectively. Which one of the following choices is true?

Diagrammatic Representations of Vector

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 152

Appeared in Year: 2019

Question Numeric Answer▾

A delta-connected, 3.7 kW, 400 V (line) , three-phase, 4-pole, 50-Hz squirrel-cage induction motor has the following equivalent circuit parameters per phase referred to the stator:

.

Neglect shunt branch in the equivalent circuit. The starting line current in amperes (round off to two decimal places) when it is connected to a 100 V (line) , 10 Hz, three-phase AC source is ________.

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Question 153

Appeared in Year: 2019

Question MCQ▾

The mean-square of a zero-mean random process is where k is Boltzmann՚s constant, T is the absolute temperature, and C is capacitance. The standard deviation of the random process is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 154

Appeared in Year: 2017

Question MCQ▾

An urn contains 5 red balls and 5 black balls. In the first draw, one ball is picked at random and discarded without noticing its colour. The probability to get a red ball in the second draw is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit