A. few turns of thin wire
B. few turns of thick wire
C. many turns of thin wire
D. many turns of thick wire
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. maintain the arc
B. extinguish the arc
C. transmit large power
D. emit the ionizing electrons
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. overload
B. short-circuit and overload
C. open circuit, short-circuit and overload
D. none of the above
A. generators
B. busbars
C. transformers
D. motors
E. all of the above
A. in series with circuit
B. in parallel with circuit
C. either in series or in parallel with circuit
D. none of the above