In electronic circuits resistors are used to reduce current flow adjust signal levels to divide voltages bias active elements and terminate transmission lines among other uses high power resistors that can dissipate many watts of electrical power as heat may be used as.
Ceramic resistor schematic symbold.
Basically electronic components are classified into active components and passive components.
Photoresistor light dependent resistor ldr photo resistor change resistance with light intensity change.
Its unit of measurement is the ohm and is represented by the greek letter omega.
It acts as short circuit with ac and open circuit.
Thermal resistor change resistance when temperature changes.
Standards for resistor symbols.
In a reverse manner the passive components are those which consumes the energy from the source either in the form of a drop or in the form of stored energy.
This page will explain the different standards which are used for resistor symbols and display the most common symbols.
A thermistor is a type of resistor whose resistance is dependent on temperature more so than in standard resistors the word is a combination of thermal and resistor thermistors are widely used as inrush current limiters temperature sensors negative temperature coefficient or ntc type typically self resetting overcurrent protectors and self regulating heating elements positive.
The components that supply the energy to the circuit are called as active components.
Several standards exist which describe how the different components should be displayed.
Battery semiconductor devices etc.
Capacitor is used to store electric charge.