Switch Gear
To protect most of the electrical equipment handling low power, the types of relays used are

None of these
Thermocouple
Both of the listed here
Electronic and bimetallic

ANSWER DOWNLOAD EXAMIANS APP

Switch Gear
Arc in a circuit breaker behaves as

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

ANSWER DOWNLOAD EXAMIANS APP