Transformers
A transformer is also a passive electronic component. A transformer is used to transfer electrical power from one circuit to another via magnetic media i.e. magnetic core.
- It has two windings on a core. The winding to which input power is given is called the primary winding.
- The winding which delivers power to the load is the secondary winding.
- When transformers step up or step down voltage, power, and energy remain the same on the primary and secondary sides. As energy is not being amplified.
- Transformers are often used to raise voltage levels and keep the power constant.
Transformer current Equation
[Tex]\frac{I1}{I2} =\frac{N2}{N1} [/Tex]
- I1 stands for primary current in transformer
- I2 stands for primary current in transformer
- N1 stands for number of turns in primary winding
- N2 stands for number of turns in secondary winding
Applications of Transformers
- It is used to raise voltage levels.
- It is used in power generation
- It is used in transmission and distribution.
- It is used in lighting, audio systems, and electronic equipment.
Other Passive components include diodes, thermistors, varactors, transducers, and many other common components. These components are available as through-hole and components, and many are available in common packages with standard land patterns.
Passive Components in Electrical Circuits
In electronic components, Passive components are electronic devices that don’t need an external power source to operate actively. They do not generate power rather they store and release it. They mainly resist, store, or control the flow of electric current or voltage in a circuit without actively amplifying or generating signals. Passive components include resistors, capacitors, inductors, diodes, and coils – that don’t require power to do their job.
A circuit is an interconnection of elements. Based on their capability to generate energy these elements are classified into active or passive elements. Electric circuits are made up of three circuit components. These are resistance, inductance, and capacitance. These are called passive circuit elements and they do not transfer electrical energy. Passive elements stores energy in the form of voltage or current.
Table of Content
- Passive Components in Electrical Circuits
- Properties of Passive Components
- Working of Passive Components
- Types of Passive Components
- Comparision between Active vs Passive Electronic Components
- Advantages and Disadvantages of Passive Components