What are the symbols for electrical components?
David Edwards
Published Mar 24, 2026
What are the symbols for electrical components?
Electrical Symbols
- Ground or Earth. A ground symbol (IEC symbol 5017) identifies a ground terminal.
- Resistor. A resistor reduces current flow.
- Switch. Disconnects the current when open.
- Capacitor. A capacitor symbol shows two terminals running into plates.
- Fuse.
- Antenna.
- Inductor.
- Transformer.
What are electronic components and their symbols?
Fuse and PTCs:
| Component | Denoted by | Polarity/Pins |
|---|---|---|
| Diode | D | Anode-Cathode |
| Inductor | L | Not |
| Transistors(BJT) | NPN/PNP | Emitter, Base, Collector |
| Transistor(MOSFET | n-Channel P-Channel | Drain, Source, Gate |
What is the name of symbols used in wiring circuit?
An electronic symbol is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circuit.
What do the electrical symbols mean?
Electrical symbols are a graphical representation of basic electrical and electronic devices or components. These Symbols are used in circuit and electrical diagrams to recognize a component. It is also called a schematic symbol. These components are represented by respective symbols for it.
What are the 5 components of electricity?
The Basics of Electrical Components
- Resistors. The very first component that you should know about is the resistor.
- Capacitors.
- Light Emitting Diode (LED)
- Transistors.
- Inductors.
- Integrated Circuit (IC)
What is electric current symbol?
symbol I
Current is usually denoted by the symbol I. Ohm’s law relates the current flowing through a conductor to the voltage V and resistance R; that is, V = IR. An alternative statement of Ohm’s law is I = V/R.
What is basic electronics components?
Basic Electronics Components. Basic electronic components: capacitors, resistors, diodes, transistors, etc. Power sources: Signal generators and DC power supplies. Measurement and analysis instruments: Cathode Ray Oscilloscope (CRO), multimeters, etc.
What are the common electrical symbols?
Basic analog and digital electrical and electronic symbols
| Description | Description |
|---|---|
| Thyristor + symbols | Triac + symbols |
| Integrated circuit / IC / Chip + symbols | Amplifier + symbols |
| Generator + symbols | Battery + symbols |
| Transistor + symbols | Vacuum tube / Electron tube e.g. Diode + symbols |
What is the capacitor symbol?
The symbol with one curved plate indicates that the capacitor is polarized. The curved plate usually represents the cathode of the capacitor, which should be at a lower voltage than the positive, anode pin. A plus sign should also be added to the positive pin of the polarized capacitor symbol.
What are the 10 components of electricity?
What are the 6 components of a circuit?
The basic components of analog circuits are wires, resistors, capacitors, inductors, diodes, and transistors.
What do you mean by electric current class 10?
Electric current is rate of flow of electric charge or the amount of charge flowing through a particular area in unit time. In reality, electric current is flow of negatively charges particles called electrons.
What are the electrical and electronic symbols?
Electrical symbols or electronic circuits are virtually represented by circuit diagrams. There are some standard symbols to represent the components in a circuits. This article gives some of the frequently used symbols for drawing the circuits. There are many electrical and electronic schematic symbols are used to signify basic electronic…
What do the symbols on a circuit board mean?
The symbols represent electrical and electronic components. Close connection by jumper insertion on pins. Used for zero potential reference and electrical shock protection. Resistor reduces the current flow. Adjustable resistor – has 3 terminals. Adjustable resistor – has 2 terminals. Capacitor is used to store electric charge.
What are the basic electrical symbols used in drafting?
The basic electrical symbols are used to simplify the drafting and to help people understand the electrical drawing. Electrical symbols are standardized throughout the industry, so it is easy to achieve the ability to interpret the meaning of the symbols.
What are the advantages of using standard electrical symbols?
Electrical symbols are standardized throughout the industry, so it is easy to achieve the ability to interpret the meaning of the symbols. With the standard electrical symbols in Edraw, you can create a circuit diagram that shows the actual layout of the components simply and quickly.
