EEE :: Electrical Machine Design
- A direct current can be measured by
- The gravity controlled instrument has crowded scale because current is proportional to
- Which of the following is an essential part of a motor meter ?
- Aluminium when adopted as a conductor material in ______ transformers, decreases the overall cost of the transformer
- Commonly used standard capacitor is
- Damping of the Ballistic galvanometer is made small to
- The high voltage winding is usually which of the following type ?
- The change in flux linkages can be caused in which of the following ways ?
- In a D.C. machine the number of brush arms is _____ the number of poles.
- The operation of a D.C. machine with large air gap lengths is comparatively
A.
The flux is constant with respect to time and is stationary and the coil moves through it |
B.
The coil is stationary with respect to flux and the flux varies in magnitude with respect to time |
C.
Both the changes mentioned above occur together, i.e., the coil moves through a time vary-ing field |
D.
All of the above |