Electronics Articles Archive

Well type monometer

The well type monometer is widely used because of having only one leg.  The main difference between a U-tube manometer and a well type manometer is that the U-tube is substituted by a large well such that

Difference between LED and PN junction diode

LED PN junction diode The LED emits light. The PN junction diode cannot emit light. The LED uses GaAs, GaAsP or GaP material. The PN junction diode silicon or germanium material. In LED all energy converted into

Advantages and disadvantages of DC tachogenerator

There are some advantages of DC tachogenerator which are given below. The DC tachogenerator has linear charactristic. In DC tachogenerator, temperature compensation is easily achived. It does not have zero speed error. It is capable to generate

Advantages and disadvantages of point contact diode

There are some advantages of point contact diode which are given below. The point contact diode has very low forward resistance. The point contact diode has very low reverse resistance. It has very low junction capacitance. It

Advantages, disadvantages and applications of induction generator

There are some advantages of induction generator which are given below. The induction generator is smaller in size per kilowatt output power. It needs less auxiliary equipment. Parallel operation is possible without hunting. The induction generator has

Induction motor

The other name of induction motor is a synchronous motor. It is most popularly used motors in many applications. An induction motor is an AC electric motor in which the electric current in the rotor used to

Applications of Zener diode

There are some important applications of Zener diode which are given below, The zener diode is used in voltage regulator circuits to provide regulated DC voltage. The zener diode is used for meter protection against damage from

Difference between RTD and thermistor

There is difference between RTD and thermistor which are given below. RTD (Resistance Temperature Detector) Thermistor Here conductor us used which gives increase in resistance with increase in temperature.(i.e. PTC ) Here semiconductor is used which gives

Construction and working of DC tachogenerator

Construction The basic constructions of DC tachogenerator are shown in fig. The dc tachogenerator is a small dc generator. The armature is driven by motor shaft whose speed is feedback. The rotor iron cored and field is

Advantages and disadvantages of monometer

There are some advantages of monometer which are given below. The monometer is suitable for low pressure applications. It has low cost. It is simple in construction. A manometer does not have to be calibrated against any