railway DFCCIL Executive 2025 Mock Test Electrical and Electronics Measurements Indicating Instruments PMMC Instrument
A 25 mv, 2 mA D’Arsonval movement is to be used in a voltmeter having full-scale reading of 100 V. Find the resistance inserted by 100 V metre into the circuit.
1
0.001 MΩ
2
1.0 MΩ
3
0.05 MΩ
4
0.01 MΩ