Which feature makes a miniature circuit breaker (MCB) more convenient than an…
PHYSICS · Single correct · CBSE · Physics · Electricity: Magnetic and Heating Effects · Electricity: Magnetic and Heating Effects
Problem
Which feature makes a miniature circuit breaker (MCB) more convenient than an ordinary fuse for household protection?
(a) It operates at a lower voltage, so trips earlier
(b) It is cheaper than replacing a fuse wire each time
(c) It can be reset after tripping without replacement
(d) It allows higher current to flow continuously without damage