A. neutral wire
B. negative of D.C. circuit
C. positive of D.C. circuit
D. phase dine
A. zero current
B. maximum current
C. minimum voltage
D. maximum voltage
A. current during abnormal condition
B. voltage during abnormal condition
C. constantly the electrical quantities which differ during normal and abnormal conditions
D. none of the above
A. 20 A
B. 50 A
C. 100 A
D. 200 A
A. distribution transformer
B. generator transformer of the power plant
C. auto-transformer of the power plant
D. station transformer of the power plant
A. is yellow in colour
B. is lighter than air
C. is nontoxic
D. has pungent small
E. none of the above
A. current carrying contacts called electrodes
B. arc extinguishers
C. circuits to break the system
D. transformers to isolate the two systems
E. any of the above