A transformer can have regulation closer to zero
A). on full-load
B). on overload
C). on leading power factor
D). on zero power factor
2. A rheostat differs from potentiometer in the respect that it
4. Two 300 uH coils in series without mutual coupling have a total inductance of
6. The essential condition for parallel operation of two D.C. generators is that they have
7. In a series RLC circuit, the current is minimum at resonance.
8. The 'cogging' of an induction motor can be avoided by
10. If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens