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sattari [20]
3 years ago
13

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

Chemistry
2 answers:
oksano4ka [1.4K]3 years ago
7 0

Delivering electricity to homes through high voltage lines, reduces the power loss that is caused by Joule's heating.

We know that:

P=VI

Where, P is power, V is the voltage and I is the current.

So if we keep P constant and make then voltage up, I must goes down.

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.

Now using the equation:

Q=I²Rt

Where Q is the heat generated, I is the current , R is the resistance and t is the time.

So by reduced I, heat loss will be reduced.


Leno4ka [110]3 years ago
7 0
 <span>The </span>power<span> loss due to Joule's heating is reduced </span>in<span> this case.</span>
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