railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Error Analysis
A 300 V voltmeter has an accuracy of ± 2% of full-scale deflection. When the reading is 222 V, the actual voltage –
1
lies between 217.56 and 226.44 V
2
lies between 217.4 and 226.6 V
3
lies between 216 and 228 V
4
is exact 222 V