Switch Gear
The main function of a fuse is to

prevent excessive currents
protect the line
protect the appliance
None of these
open the circuit

ANSWER DOWNLOAD EXAMIANS APP

Switch Gear
Arc in a circuit breaker behaves as

an inductive reactance
a resistance increasing with voltage rise across the arc
a resistance decreasing with voltage rise across the arc
a capacitive reactance

ANSWER DOWNLOAD EXAMIANS APP