engineering recuitment TANGEDCO Field Assistant (Trainee) Mock Test Electrician and Wireman Electronic Devices and Circuits
In electric circuits, Miniature Circuit Breakers (MCBs) are preferred over fuses because of which of the following reasons?
1
An MCB permits overloading in a circuit without causing fire.
2
An MCB is cheaper and more easily available than a fuse.
3
After removing the overload, the MCB can be reset very easily by pressing a lever.
4
Fuses of the correct current rating are not available.