Have you ever wondered why we use
transformers?
Can't electricity be delivered to homes
without a transformer?
The answer is that P=IV. Since the voltage we
need in homes is very low while the voltage coming from the power station is
very high and the transformer works by changing this voltage, i.e., reducing
it, and this is the great work of the transformer. If there were no
transformers, the current would have to be increased a lot for the power coming
from the power station, then the voltage would be reduced. Because in P=IV
current and voltage are the inverse of each other i.e., opposite. But if this was
done, there would be very few houses where electricity could be detected
because houses require low voltage around 230v volts. Now, if a large amount of
current is to be conveyed from one place to another, a thick wire will be
required for it. Because the greater the
thickness of the wire, the lower the resistance of the wire, and the lower the
resistance, the more current can pass through the wire. Think for yourself how
much it will cost but even if we do this, the required voltage will not be
reached due to power loss. But instead of increasing the current, we prefer to
increase the voltage.
Voltage can be considered as a kind of push
that pushes the charge (electron). If the voltage is high, it means that the
charge is being pushed more. And since more voltage is coming from the power
station, while homes require less voltage, so we need a device that can reduce
the voltage by using it and that is the transformer. The transformer PMT around
our homes. are applied They are step-down transformers. Step-down transformers
are transformers that step down the voltage. And the principle under which they
work is called electromagnetic induction. Michael Faraday was the first person
to discover electricity (AC current). The person who gave this principle was
Michael Faraday.
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