engineering recuitment UPCL AE (E&M) 2021 Mock Test Electrical and Electronics Measurements Measurement of Energy
In induction type watthour meters, the errors due to frictional forces at the rotor bearings and in the register mechanism is minimized by.
1
Having the product of the shunt magnet flux φ2 and series magnet flux φ1 small
2
Having the ratio of the shunt magnet flux φ2 and series magnet flux φ1 small
3
Having the product of the shunt magnet flux φ2 and series magnet flux φ1 large
4
Having the ratio of the shunt magnet flux φ2 and series magnet flux φ1 large