Electrical Engineering · Switchgear and Protection
The rapid increase of dielectric strength of a medium near current zero in circuit breakers can be achieved by which of the following methods? i. Lengthening of the gap ii. Blast effect iii. Cooling iv. Decreasing the pressure in the vicinity of the arc
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ii, iii, and iv are correct
- 2i, iii, and iv are correct
- 3i, ii, and iv are correct
- 4i, ii, and iii are correct✓
Correct answer
i, ii, and iii are correct
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