The material used for fuse must have_____________?
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…
The steady state stability of the power system can be increased by_____________?
A. connecting lines in parallel
B. connecting lines in series
E. using machines of high impedance
D. reducing the excitation of machines
The torque produced in induction type relay (shaded pole structure) is_____________?
A. inversely proportional to the currentB. inversely proportional to the square of the current
C. proportional to the current