EEE :: Electrical Machine Design
- A Weston frequency meter is
- A _____ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly
- In D.C. machines, the ________ in field mmf results in increase in size and cost of machines.
- For measurement of mutual inductance we can use
- In a low power factor wattmeter the compensating coil is connected
- Which of the following devices may be used for extending the range of instruments ?
- Which of the following brushes can be used for high values of current density ?
- Which of the following is an advantage of hydrogen cooling?
- The insulation between windings and grounded core and the insulation between the windings of the same phase is