

Alternating Current vs Direct Current - Technical MCQs
Q1: Power companies supply ac, not dc, because:A it is easier to transmit ac
B there is no longer a need for dc
C dc is more dangerous
D there are not enough batteries
ANS:A - it is easier to transmit ac AC current transfer is more effective compared to DC current transfer over long distances due to step up and step down transformers which reduce I2R losses. |


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