Instrumentation Engineering
2025 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE IN 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.
Question 25
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Three parallel admittances
,
, and
connected in parallel with a voltage source
, draw a total current
from the source. The currents flowing through each of these admittances are
,
, and
, respectively. Let
. The phase relation between
and
isYour answerChoose one option.
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An oscilloscope has an input resistance of 1 M
. A 10X passive attenuating probe is connected to it to increase the input voltage range as well as the effective input resistance. The effective input resistance, in M
, seen into the probe tip isYour answerChoose one option.
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For the transfer function
, the number of zeros lying in the left half of the s-plane isYour answerChoose one option.
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