A. low resistance
B. high resistance
C. low impedance
D. high impedance
A. negative circuit only
B. positive circuit only
C. both (A) and (B)
D. either (A) or (B)
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. inversely proportional to the current
B. inversely proportional to the square of the current
C. proportional to the current
D. proportional to square of the current
A. the spring tension
B. the rate of flux built up
C. armature core air gap
D. all of the above
A. current wave only
B. voltage wave only
C. Both (A) and (B)
D. power factor wave only
A. short-circuits
B. heavy loads
C. grounds
D. all of the above