railway UPMRC SCTO 2024 Mock Test Electrical and Electronics Measurements Extension Ranges of Basic Meters Loading Effect Due to Voltmeter Resistance
To reduce the loading error of the voltmeter to less than 1%, the resistance of the voltmeter should be at least ______ as large as the resistance of the path across which the voltage is being measured.
1
10 times
2
100 times
3
1000 times
4
20 times