railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Extension Ranges of Basic Meters
Determine the required value of series resistance (in Ohms) to convert a galvanometer into a voltmeter of reading 0.4 volt range when the resistance of the galvanometer is 40 ohms and the value of current for full-scale deflection is 4 mA.
1
60
2
50
3
40
4
30