Complete GATE EE 2017 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 40–42 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 14 of 22

Question 40

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The bus admittance matrix for a power system network is

pu. There is a transmission line, connected between buses 1 and 3, which is represented by the circuit shown in figure.
Diagram for Electrical Engineering question 40

Reactance is 0.05 pu; susceptance is 0.05 pu at each end. If this transmission line is removed from service, what is the modified bus admittance matrix?
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Question 41

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The switch in the figure below was closed for a long time. It is opened at

. The current in the inductor of 2 H for

, is
Diagram for Electrical Engineering question 41

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Question 42

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EENAT2 marksNeeds review
Only one of the real roots of

lies in the interval

and bisection method is used to find its value. For achieving an accuracy of 0.001, the required minimum number of iterations is _________.

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