Instrumentation Engineering
GATE IN discipline:electrical-electronics-and-instrumentation PYQs
Build your understanding with focused practice from past exam papers.
Questions 451–460 of 650. Imported answers require independent review unless marked reviewed.
Question 51
Open questionINNAT2 marksNeeds review
Assume the diodes in the circuit shown are ideal. The current
flowing through the 3 kΩ resistor (in mA, rounded off to one decimal place) is ____

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A 1000/1 A, 5 VA, UPF bar-primary measuring current transformer has 1000 secondary turns. The current transformer exhibits a ratio error of −0.1% and a phase error of 3.438 minutes when the primary current is 1000 A. At this operating condition, the rms value of the magnetization current of the current transformer (in amperes, rounded off to two decimal places) is ____
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Open questionINNAT2 marksNeeds review
The mutual inductances between the primary coil and the secondary coils of a linear variable differential transformer (LVDT) shown in the figure are
and
. Assume that the self-inductances
and
remain constant and are independent of
. When
,
. When
is in the range ±10 mm,
and
change linearly with
. At
mm or −10 mm, the change in the magnitudes of
and
is 0.25
. For a particular displacement
, the voltage across the detector becomes zero when
. The value of
(in mm, rounded off to one decimal place) is ____

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Open questionINNAT2 marksNeeds review
In the Maxwell-Wien bridge shown, the detector D reads zero when
and
. The Q factor of the coil is ___

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Open questionINNAT2 marksNeeds review
The loop transfer function of a negative feedback system is
. The phase margin of the system (in degrees, rounded off to one decimal place) is ___Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 1
Open questionGAMCQ1 markNeeds review
The fishemen, ______ the flood victims owed their lives, were rewarded by the government.
Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
Some students were not involved in the strike.
If the above statement is true, which of the following conclusions is/are logically necessary?
Some who were involved in the strike were students.
No student was involved in the strike.
At least one student was involved in the strike.
Some who were not involved in the strike were students.
Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
The radius as well as the height of a circular cone increases by 10%. The percentage increase in its volume is ______.
Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
Five numbers 10, 7, 5, 4 and 2 are to be arranged in a sequence from left to right following the directions given below:
No two odd or even numbers are next to each other.
The second number from the left is exactly half of the left-most number.
The middle number is exactly twice the right-most number.
Which is the second number from the right?
Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
Until Iran came along, India had never been ______________ in kabaddi.
Your answerChoose one option.
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