Physics · Switchgear and Protection
Which of the following instruments detects abnormal conditions in an electrical circuit by measuring quantities such as voltage, current, and phase angle, which deviate during a fault?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Limit switch
- 2Relay✓
- 3Timer
- 4Rectifier
Correct answer
Relay
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