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23 April, 01:07

What is the advantage of delivering electricity to homes through high voltage lines?

The amount of power available is significantly greater.

The same amount of power is delivered as with moderate voltage without losing energy as heat.

Home appliances are better suited to high voltage.

There is no advantage.

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Answers (2)
  1. 23 April, 01:34
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    The answer is; voltage without losing energy as heat.

    When the voltage is increased, the current in the transmission lines is reduced. This is according to the principle of power; P = IV; which means voltage and current are inversely proportional. Reducing current reduces the resistance that may be experienced by passing current through the transmission lines hence reducing loss of power through heat dissipation.
  2. 23 April, 02:21
    0
    Answer;

    The same amount of power is delivered as with moderate voltage without losing energy as heat.

    Explanation; Power = VI, Where, V is voltage, and I is current. Transmitting electricity at high voltage reduces the fraction of energy lost to resistance, which varies depending on the specific conductors, the current flowing, and the length of the transmission line. Delivering electricity to homes through high voltage lines, reduces the power loss that is caused by Joule's heating. According to Joule's first law : Power of heating generated by a conductor is directly proportional to the product of its resistance and the square of the current.
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