Electrical Engineering · Switchgear and Protection
In vacuum circuit breakers, the degree of vacuum is maintained in the range of ________.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110-12 to 10-10 torr
- 210-10 to 10-8 torr
- 310-7 to 10-5 torr✓
- 410-4 to 10-2 torr
Correct answer
10-7 to 10-5 torr
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