JAMB Physics 1984 Question 12

Question 12

Electromagnetic Induction

Which of the following can be described as high tension transmission?

  1. A.High resistance and low voltage
  2. B.Low current and high voltage
  3. C.High current and low voltage
  4. D.High voltage and zero current
  5. E.High current and low resistance.
Show the answer and explanation

Answer: B (Low current and high voltage)

Explanation

High-tension transmission means sending power at very high voltage and therefore low current, to cut I²R losses.