engineering recuitment RVUNL JEn (RSEB) Mock Tests 2025 Electrical and Electronics Measurements Extension Ranges of Basic Meters Basic DC Ammeter
A shunt resistance of 50 Ω is required for extending the range of an ammeter from 100 μA to 500 μA. the value of internal resistance of the ammeter is:
1
400 Ω
2
2000 Ω
3
800 Ω
4
100 Ω
5
200 Ω