Physics · Switchgear and Protection
In circuit breakers, where can the low-resistance method (also known as current zero method) of arc extinction be effectively employed?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1In DC circuit breakers and low-capacity AC circuit breakers
- 2Only in DC circuit breakers
- 3Only in AC circuit breakers✓
- 4In AC circuit breakers and low-capacity DC circuit breakers
Correct answer
Only in AC circuit breakers
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