Electric Mechanic Question: Tell us what is SF6 Circuit Breaker? Electric Mechanic Interview QuestionAnswer: SF6 is Sulpher hexa Flouride gas.. if this gas is used as arc quenching medium in a Circuitbreaker means SF6 CB. Previous QuestionNext QuestionTell us what is the effect of positive feedback on stability of the system?Suppose two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?
