What do you mean by transformer?

A transformer is a device that transfers electric energy from one alternating-current circuit to one or more other circuits, either increasing (stepping up) or reducing (stepping down) the voltage.

What is the transformer answer?

A: A transformer is a static device which can transfer power from one circuit to another at same frequency.

What is transformer and its types?

The different types of transformer are Step up and Step down Transformer, Power Transformer, Distribution Transformer, Instrument transformer comprising current and Potential Transformer, Single phase and Three phase transformer, Auto transformer, etc. Contents: Step up and Stepdown Transformer. Power Transformer.

What is transformer and its working?

A transformer is an electrical apparatus designed to convert alternating current from one voltage to another. It can be designed to "step up" or "step down" voltages and works on the magnetic induction principle.

What is a transformer Class 12?

A transformer is a device that changes voltage from one value to another. Power at the input end is equal to the power at the output end. Only the voltage will increase or decrease.

How does a Transformer work - Working Principle electrical engineering

What is a transformer PDF?

A Transformer is a static electrical device that transfers electrical energy between two or. more circuits through electromagnetic induction. A varying current in one coil of the. transformer produces a varying magnetic field, which in turn induces a varying. electromotive force (e.m.f) or “voltage” in a second coil.

What is a transformer symbol?

While the schematic symbol of a transformer may look like two coils (called windings) placed next to each other, the magnetic coupling and orientation between these two coils is also indicated within its schematic symbol.

Why are transformers used?

Transformers are used to change AC voltage levels, such transformers being termed step-up or step-down type to increase or decrease voltage level, respectively. Transformers can also be used to provide galvanic isolation between circuits as well as to couple stages of signal-processing circuits.

What are parts of transformer?

What are the 3 types of transformers?

Depending on the Power rating and specification, Power transformers can further be classified into three categories: Small power transformer, Medium Power transformers, and the Large power transformers.

What are 2 types of transformers?

Transformers generally have one of two types of cores: Core Type and Shell Type. These two types are distinguished from each other by the manner in which the primary and secondary coils are place around the steel core.

What is transformer and its application?

A transformer is an electrical device that uses electromagnetic induction and mutual induction to transmit electrical energy from one circuit to another. It's most typically used to raise ('step up') or lower ('step down') voltage levels between circuits without changing the AC frequency between them.

What is a transformer Class 12 shaala?

Solution. The transformer is an electrical device that converts low alternating voltage at high current to high alternating voltage at low current and vice-versa.

What is a transformer machine?

Transformers are electrical machines that change electricity from one voltage to a different voltage. Voltage is the measure of the electrical force that pushes electrons around a circuit. In some cases, transformers can take electricity at a lower voltage and change it to a higher voltage.

What is transformer Quora?

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. Commonly, transformers are used to increase or decrease the voltages of alternating current in electric power applications.

Where is the transformer is used?

A transformer is used to bring the voltage up or down in an AC electrical circuit.

Do transformers use AC or DC?

A transformer is a device which step-up or step-down the level of AC current or voltage without changing the primary (i.e. input source) frequency. Transformer only works on AC and can't be operated on DC i.e. it has been designed to be operated only and only on alternating current and voltage.

What is voltage ratio?

The ratio of primary voltage to secondary voltage is known as the voltage ratio (VR). As mentioned previously, the ratio of primary turns of wire to secondary turns of wire is known as the turns ratio (TR). By substituting into the above Equation, we find that the voltage ratio is equal to the turns ratio.

What are 4 types of transformers?

What is current ratio of transformer?

Definition: 1) The ratio of primary amps divided by secondary amps. 2) The current ratio provided by the windings of the CT. For example, a CT that is rated to carry 200 Amps in the primary and 5 Amps in the secondary, would have a CT ratio of 200 to 5 or 40:1.

What is the SI unit of transformer?

Transformer's operation

The total number of field lines is called a magnetic flux (Φ). The SI unit name for magnetic flux is weber and its symbol is Wb (1 Wb = 1 Vs).

How do transformers work?

The core of the transformer works to direct the path of the magnetic field between the primary and secondary coils to prevent wasted energy. Once the magnetic field reaches the secondary coil, it forces the electrons within it to move, creating an electric current via electromotive force (EMF).

What is the step up transformer?

A transformer that increases the voltage from primary to secondary (more secondary winding turns than primary winding turns) is called a step-up transformer. Conversely, a transformer designed to do just the opposite is called a step-down transformer.