Physics · Switchgear and Protection
In an AC circuit breaker, the alternating arc current is typically in which phase relationship with the arc voltage?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Leads the arc voltage by 90°
- 2Leads the arc voltage by 180°
- 3Lags the arc voltage by 90°
- 4In phase with the arc voltage✓
Correct answer
In phase with the arc voltage
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