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28 December, 01:13

How are step-up transformers used in the transmission of electrical energy?

A They decrease the voltage before it leaves a power plant.

B They increase the voltage for efficient long-distance transmission.

C They increase the current for efficient long-distance transmission.

D They increase the voltage and the current for a short distance

transmission

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Answers (1)
  1. 28 December, 01:22
    0
    B

    Explanation:

    Transformer is a device used to convert low a. c. voltage to high a. c. voltage and vice versa.

    There is two types of transformer, they are:

    1. Step up transformer

    It converts low a. c. voltage into high a. c. voltage.

    2. Step down transformer

    It converts low a. c. voltage to high a. c. voltage.
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