Physics · Power Transmission
In long-distance electric power transmission, electrical energy is typically stepped up to high voltages, such as 132 kV, primarily for which of the following reasons?
- 1To convert alternating current into direct current automatically
- 2To protect the transmission lines from atmospheric lightning strikes
- 3To minimize power loss due to heating in the transmission lines✓
- 4To increase the speed of electric current through the transmission lines
Correct answer
To minimize power loss due to heating in the transmission lines
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