Instrumentation Engineering
GATE IN concept:digital-voltmeter PYQs
Build your understanding with focused practice from past exam papers.
How to practice concept:digital-voltmeter
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–2 of 2. Imported answers require independent review unless marked reviewed.
Question 23
Open questionINMCQ1 markNeeds review
A 3½ digit digital voltmeter has a specified accuracy of
. If it is used to measure 10 V DC voltage, the error in the measurement would beNote: Accuracy of the digital voltmeter is expressed as ± (% of reading + digit).
Your answerChoose one option.
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 47
Open questionINNAT2 marksNeeds review
The unbalanced voltage of the Wheatstone bridge, shown in the figure,
is measured using a digital voltmeter having infinite input impedance and a resolution of 0.1 mV. If
, then the minimum value of
in
to create a detectable unbalanced voltage 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 answer