Essential Chemistry for IGCSE - Electricity And Chemistry (Section 8 - No. 31)
Which of the following are advantages of using thick wires over thin wires in high-voltage power lines?
Thick wires can carry a larger electric current.
Thick wires generate less heat.
Thick wires have higher resistance.
Thick wires have a lower voltage drop.
Explanation
Thick wires have lower resistance and can therefore carry more current with less heat generated.
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