everyday science MCQ #3113

Why are transformers used in the transmission of electric power?

everyday science MCQ #3113

  1. Question 1

    Q1. Why are transformers used in the transmission of electric power?

    • A) Because they speed up transmission
    • B) Because they can conserve electrical energy
    • C) Because they can reduce transmission losses
    • D) Because they help to distribute electrical energy efficiently

    Answer: Because they can reduce transmission losses

    Explanation: Transformers step up voltage for long-distance transmission; since Power = I²R, higher voltage means lower current, which dramatically reduces resistive heat losses in cables.