A. Generators
B. Motors
C. Transmission line
D. Transformers
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
A. high temperature
B. increase of mean free path
C. increasing field strength
D. all of the above
A. zero
B. infinity
C. unity
D. none of the above
A. 20 A
B. 50 A
C. 100 A
D. 200 A
A. over currents
B. short duty
C. intermittant duty
D. repeated duty
A. lengthening of the gap
B. cooling and blast effect
C. both A. and B
D. deionizing the oil with forced air
E. none of the above