engineering recuitment GATE IN Test Series 2023-24 Mock Test Electrical and Electronics Measurements Measurement of Energy Induction Type Energy Meter
An a.c. energy meter tested for half hour run at a supply voltage of 240 V with a current of 10 A at 0.6 pf lag. the meter constant is 1000 revolutions per kwh. The meter revolutions registered during the test were 450. Then the error in r.p.m. of energy meter.
1
64.34% slow
2
64.34% fast
3
37.5 % slow
4
15.7% fast