Question
Download Solution PDFWhen a voltage of 200 V is measured by a voltmeter, five successive readings are obtained as 204 V, 205 V, 203 V, 205 V and 203 V. The percentage accuracy and precision are ___________.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept
The accuracy of voltmeter is given by:
% Accuracy =
Precision is based on the deviation of readings from the mean
Calculation
Given readings are 204 V, 205 V, 203 V, 205 V and 203 V
% Accuracy =
% Accuracy = 2%
Mean = 204 V
Maximum deviation from mean = 204 - 203 = 1V
Precision = 0.5%
Last updated on Jul 23, 2025
-> MPPGCL Junior Engineer recruitment 2025 apply online link has been activated. Interested candidates can submit their online application form, from 23rd July to 21st August 2025.
-> MPPGCL Junior Engineer Notification 2025 has been released for various fields of post (Advt No. 3233).
-> MPPGCL has announced a total of 90 vacancies for Civil, Mechanical, Electrical, and Electronics Engineering (Junior Engineer).
-> The selection process includes a Computer Based Test and Document Verification.
-> Candidates can check the MPPGCL JE Previous Year Papers which helps to understand the difficulty level of the exam.