Question 43
Electromagnetic InductionElectrical power is transmitted at a high voltage rather than low voltage because the amount of energy loss is reduced due to
- A.heat dissipation
- B.production of eddy currents
- C.excessive current discharge
- D.excessive voltage discharge.
Show the answer and explanation
Answer: A (heat dissipation)
Explanation
At high voltage the current is small, so far less energy is lost as I²R heat in the cables.