A. Impedance
B. Reactance
C. Either of the above
D. None of the above
A. overload
B. reverse current
C. open-circuits
D. short-circuits
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. slow making and breaking of load circuit contacts
B. foreign matter on the contact surface
C. too low contact pressure
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. lubricate the contacts
B. insulate the contacts from switch body
C. extinguish the arc
D. all of the above
E. none of the above
A. interception
B. interception and conduction
C. interception, conduction and dissipation
D. interception, conduction, dissipation and reflection
E. none of the above