A circuit breaker is a piece of equipment which can
(i) make or break a circuit either manually or by remote control under normal conditions.
(ii) break a circuit automatically under fault conditions.
(iii) make a circuit either manually or by remote control under fault conditions
Choose the correct answer.
1
only (i) and (iii) are correct
2
All (i), (ii) and (iii) are correct
3
only (ii) and (iii) are correct
4
only (i) and (ii) are correct