Q. What is the device to protect equipments from the electric shock?
a) Motor
b) Generator
c) Fuse
d) Current controller
Correct Answer : c) Fuse
Question from BPSC PT 71, 2025
Correct Answer: c) Fuse
Explanation:
– A fuse is a safety device connected in series with the circuit.
– If an overload or short circuit occurs, the current rises above a safe level.
– The fuse element heats up and melts (“blows”), opening the circuit and cutting off power.
– This prevents damage to equipment and reduces the risk of electric shock and fire.
Motors and generators are energy-conversion devices, not protective devices. A “current controller” regulates current but does not automatically interrupt dangerous fault currents like a fuse does.