Mathematics · Underground Cables
A Murray loop test is conducted on a 500 m underground cable for locating a ground fault by looping it with a sound cable of the same length and cross-section. If the ratio of the other arms of the testing system is 4 : 1, then at what distance is the fault located from the testing end of the cable?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1100 m
- 2400 m
- 3200 m✓
- 4300 m
Correct answer
200 m
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