Which of the following modes is the most economical method of transmitting electrical power over long distances?
A
alternating current at low voltage and high current
B
alternating current at high voltage and high current
C
alternating current at high voltage and low current
D
direct current at low voltage and high current
Verified Correct Answer: C.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #35629)