Which of the following modes is the most economical method of transmitting electrical power over...
PHYSICS
WAEC 2012
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
Correct Answer: C. alternating current at high voltage and low current
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