Essential Chemistry for IGCSE - Electricity And Chemistry (Section 8 - No. 28)
Which of the following is a key advantage of using thick wires in high-voltage power lines?
Reduced resistance, less heat loss, and ability to carry more current.
Increased resistance, more heat generation, and less current.
Reduced corrosion and increased resistance.
Higher voltage drop across the wires.
Explanation
Thicker wires reduce resistance leading to less heat generation and a higher current capacity.
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