JAMB Physics 2015 Objective — Question 25
Question 25 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2015 Objective paper, with the correct answer and a full explanation.
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From the generating station to each substation, power is transmitted at a very high voltage so as to reduce
- A. eddy current loss
- B. hysteresis loss
- C. heating in the coilsCorrect
- D. magnetic flux leakage
Explanation
Transmitting at high voltage (low current) minimises I²R heating losses in the cables.
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