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- DictionaryTrans·form·er/tran(t)sˈfôrmər/
noun
- 1. an apparatus for reducing or increasing the voltage of an alternating current.
- 2. a person or thing that transforms something: "the great transformer of mankind"
Transformer. An O-core transformer consisting of two coils of copper wire wrapped around a magnetic core. In electrical engineering, a transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits. A varying current in any coil of the transformer produces a varying ...
May 9, 2024 · A transformer is a device that transfers electric energy from one alternating-current circuit to another, either increasing or decreasing the voltage. Learn about the different types of transformers, how they work, and where they are used in this article from Britannica.
- The Editors of Encyclopaedia Britannica
- What is a transformer?A transformer is a device that transfers electric energy from one alternating-current circuit to one or more other circuits, either increasing (ste...
- Where are transformers used?Transformers are employed for widely varying purposes. For example, a transformer is often used to reduce the voltage of conventional power circuit...
- Why is the iron core of a transformer laminated?The iron core of a transformer is laminated to reduce eddy currents. Eddy currents are the small currents that result from the changing magnetic fi...
A transformer is a device that steps up or steps down voltage in AC circuits using electromagnetic induction and mutual induction. Learn about the parts, types, working principle, EMF equation and voltage transformation ratio of transformers with examples and diagrams.
- 66 min
- What is the working principle of the transformer?The transformer works on the principle of mutual induction.
- List the three types of transformers based on voltage level.Based on the voltage level, the transformer is of three types, and they are as follows: Step-up transformer Step-down transformer Isolation tran...
- What are the main parts of a transformer?Iron core Primary winding Secondary winding
- When do transformers burn and explode?Transformers burn and explode when lightning strikes, and during overloading, corrosion, power surges, etc.
- What is a transformer?A transformer is a device used for stepping up or stepping down AC voltages.
- What is a step-up transformer?A step-up transformer is one for which the output voltage is greater than the input voltage.
- What is a step-down transformer?A step-down transformer is one for which the output voltage is less than the input voltage.
- Define the turns ratio of the transformer.The turns ratio of a transformer is the ratio of the number of turns in the secondary to that of the primary.
Feb 24, 2012 · Transformer Definition: A transformer is a passive device that transfers electrical energy from one circuit to another using electromagnetic induction. Working Principle: The working principle of a transformer involves mutual induction between coils to transfer electrical energy. Core Function: The core of a transformer provides a path with low ...
A transformer is a device that changes an electric current into one of different voltage. Learn more about the word history, examples, synonyms, and related phrases of transformer from Merriam-Webster dictionary.
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Feb 20, 2022 · Figure 23.10.2 23.10. 2: Transformers change voltages at several points in a power distribution system. Electric power is usually generated at greater than 10 kV, and transmitted long distances at voltages over 200 kV—sometimes as great as 700 kV—to limit energy losses. Local power distribution to neighborhoods or industries goes through a ...
A transformer is an electrical device that uses electromagnetic induction to pass an alternating current (AC) signal from one electric circuit to another, often changing (or "transforming") the voltage and electric current. Transformers do not pass direct current (DC), and can be used to take the DC voltage (the constant voltage) out of a ...
