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 61–63 of 65. Imported answers require review unless explicitly marked reviewed.
Question 61
Open questionINNAT2 marksNeeds review
In the circuit shown, the galvanometer (G) has an internal resistance of 100 Ω. The galvanometer current
is ______ μA (rounded off to the nearest integer).
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A series RLC circuit resonates at 750 rad/s for inductance L = 20 mH and resistance R = 10
. The uncertainties in the measurement of L and R are 0.8 mH and 0.3
, respectively. The percentage uncertainty in the measurement of quality factor is ______% (rounded off to one decimal place).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 63
Open questionINNAT2 marksNeeds review
In the circuit shown, the switch is opened at
s. The current
at
ms is ____________ mA (rounded off to two decimal places). 
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