EEE :: Electrical Machine Design
- A current density of _________ is used for large power transformers with forced circulation of oil or with water cooling coils
- The resistance in the circuit of the moving coil of a dynamometer wattmeter should be
- _______ brushes are fragile and cause excessive wear of commutator,
- To avoid the effect of stray magnetic field in A.C. bridges we can use
- It is required to measure the true open circuit e.m.f. of a battery. The best device is
- The design of mechanical parts is particularly important in case of _____ speed machines.
- A voltage of about 200 V can be measured
- Which of the following is measured by using a vector voltmeter ?