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A transformer works because of two principles:
(a) magentic fields are created by the movement of charged particles - this includes electicity (electrons) moving through a regular cable.
(b) a conductor will induce a charge if it is moved through a magnetic field.
In a transformer the primary coil is powered which results in a magnetic field being produced, as per (a). Because the magnetic field generated by a single cable is very small a transformer uses a coil of several hundred loops to increase the magnetic field produced.
A transformer needs to be powered by AC (alternating current). In AC the direction of the current flow changes (e.g. mains power typically changes direction 50 to 60 times per second). As the AC power changes polarity so does the magnetic field and the North-South poles swap with the AC power.
This changing of magnetic poles is equivalent to moving the magnetic field around. Even though the secondary coil doesn't move, because the magnetic field is moving a current is induced in the secondary coil as per (b).
The number of loops in the primary coil compared to the number of coils in the secondary loop is used to control the strength of the magnetic field, the secondary coil induction effect and thus the output voltage. This is a simple ratio, so if the secondary coil has twice as many loops as the primary then the output voltage will be twice the input voltage.
There are two types of Transformers, "step up" where the voltage is increased and "step down" where the voltage is reduced.
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What is a complete path for transfer of electricity?
circuit
What is completed path for transfer of electricity?
circuit
Do waves transfers energy?
Yes, waves can and do transfer energy. When the particles vibrate, this means energy is then being transferred. However, they do not transfer matter.
What is a material's ability to conduct electricity?
Electrical Conductivity. If a material is able to conduct, or transfer electricity, it is considered electrically conductive.
Metals and other materials that transfer heat and electricity easily are called?
Conductors
How to put transformer in a sentence?
A transformer is used to transfer electricity from one circuit to another.
What is the usage of transformer?
The usage of transformer is to produce electricity from a main electric unit
What Is Automatic Transformer SwitchATS?
A transfer switch, in general, switches load between two sources. An automatic transfer switch or ATS is usually installed where a generator is located to allow the generator to give power while electricity is out.
What is the difference between an ordinary transformer and resonant coupling energy transfer?
What is the difference between an ordinary transformer and resonant coupling energy transfer?
What is meant by the term ideal transformer?
ideal transformer is that which has no power losses.if any transformer transfer power to secondary without power loss then that call a ideal transformer
How and why is electricity transformed for different uses?
Using a transformer.
What is the main function of the transformer?
step up transformer output gives the high voltage which is useful for transmiission of electricity
How do a transformer work and why they are necessary?
A transformer is an electrical device that takes electricity of one voltage and changes it into another voltage.
What is the main function of a transformer?
step up transformer output gives the high voltage which is useful for transmiission of electricity
How can geothermal be used to produce electricity?
Using a geothermal transformer
What is meant by the term transform?
ideal transformer is that which has no power losses.if any transformer transfer power to secondary without power loss then that call a ideal transformer
What is electricity and what does it contain?
electricity can be described as the transfer of electrons
