engineering recuitment RVUNL JEn (RSEB) Mock Tests 2025 Power Systems Circuit Breakers Classification of Circuit Breakers
The dielectric strength of SF6 gas (used in circuit breakers) is approximately
1
Same as that of air
2
2 to 3 times more than air
3
10 to 20 times more than air
4
2 to 3 times less than air
5
100 to 200 times more than air