Arc in a circuit behaves as_______________? A. a capackive reactance B. an inductive reactance C. a resistance increasing with voltage rise across the arcD. a resistance decreasing with voltage rise across the arc

Fault diverters are basically____________? A. fuses B. relaysC. fast switches D. circuit breakers

Magnetic circuit breaker has ___________ trip action A. delayedB. instantaneous C. both of the above D. none of the above

Thermal circuit breaker has____________? A. delayed trip action B. instantaneous trip action C. both of the above D. none of the above

With which of the following, a circuit breaker must be equipped for remote operation ? A. Inverse time trip B. Time-delay tripC. Shunt trip D. None of the above E. All of the above

The main function of a fuse is to_____________? A. protect the line B. open the circuit C. protect the appliance D. prevent excessive currentsE. none of the above