railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Measurement of Energy Induction Type Energy Meter
200 V, 20 A energy meter at unity power factor makes 110 revolutions in 36 seconds on the full load test. Determine the percentage error, when the meter constant is 2500 rev/kWh.
1
5%
2
-5%
3
10%
4
-10%