A balanced 3-phase system consists of_______________?

A. arc suppressing blow out coils
B. wide separation of the opened contacts
C. high speed opening of contacts
D. all of the above

A. load flow
B. load flow and short-circuit
C. load flow and stability
D. load flow, short-circuit and stability
E. none of the above

A. earth wires
B. isolators
C. H.R.C. fuses
D. reactors

A. zero
B. infinity
C. unity
D. none of the above

A. low melting point and high specific resistance
B. low melting point and -low specific resistance
C. high melting point and low specific resistance
D. low melting point and any specific resistance

A. reactors
B. resistors
C. capacitors
D. none of the above