railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Extension Ranges of Basic Meters
Which of the following is the CORRECT expression for the series resistance required to convert a galvanometer (having internal resistance āGā) into voltmeter?
1
\(\frac{V}{{{i_g}}} - G\)
2
\(\frac{V}{G} - {i_g}\)
3
\(\frac{{{i_g}}}{V} - G\)
4
\(\frac{V}{{{i_g}}} + G\)