# Uncategorized

## Difference between BJT and JFET

Difference between BJT and JFET Comparison between BJT and JFET   BJT JFET As its name Bipolar junction Transistor, This is a bipolar device. Means Minority and Majority both contribute in current conduction. This is Unipolar device, Means Only Majority or Minority contributes in current conduction. This is a Current controller. This is a Voltage …

## How capacitor block dc current

why ac current passes through capacitor but dc can’t how capacitor block dc current Explanation 1 We try to understand using a discharged battery in the circuit. When switch on, the battery is starting to charge and increasing the voltage level of the battery and there is a flow of current. When the battery gets …

## kirchhoff’s law

kirchhoff’s law Kirchhoff’s voltage law (KVL) According to Kirchoff’s Voltage Law (KVL), In any closed circuit or mesh, the algebraic sum of all the emf (voltage source ) and all the voltage drops will zero. This Law deals according to the principle of conservation of energy, and according to the principle of conservation of energy …

## Active | Passive | Linear | Non-Linear | Unilateral | Bilateral Elements

What are electrical elements All those elements which provide, consume, transfer or control the electrical energy. Called the electrical elements. Classification of electrical elements There are many types of electrical elements, but some main classifications are — 1.On the basis of energy transfer there are two types of electrical elements on the basis of energy …

## Norton theorem

Norton theorem Norton’s theorem statement In Thevenin theorem, we see that in any complex circuit sources are converted in single voltage source Vth with the Series resistor Rth. Norton’s theorem is also a method to convert any complex network into a simple circuit. Norton Theorem, any two-terminal complicated network circuit can be converted in single …

## Thevenin theorem

Thevenin theorem Thevenin theorem statement Thevenin’s theorem is very important in point of view to Simplify the Network and Reduction of Network complexity in any circuit. This is also a very important theorem for Engineering and diploma students in basic Electrical. Thevenin theorem definition According to Thevenin’s theorem, any linear bilateral network irrespective of its …

## Difference between Electrical and Electronics

Difference between Electrical and Electronics First of all, we know the definition of Electronics What is Electronics Electronics is the branch of science that deals with devices and circuits that operate by controlling the flow of electrons and other electrical charge particles. Here we see the word controlling, the word controlling of electrons is very …

## Important Question- Answers of Semiconductor Physics

MCQ on Semiconductor physics Also read Concept of Logic Gates What is Impedance (Impedance vs Resistance)

## Semiconductor device numbering system

Transistor And Diode identification guide Each Semiconductor devices have a special numbering coding as per the specification of those components. All Components have a particular symbolic numbering with Alphanumeric coding for represents the characteristics of the material and other parameters. There is an international numbering system for all semiconductor devices and components. Transistor Coding System …

## Top 5 Circuit diagram For Beginners

Small Electronic Projects for Beginners circuit diagram Simple electronic circuit There are some small, simple and effective electronic projects for beginners. These electronic projects are very easy to make and can easily construct by any beginner who have basic knowledge of electronics. Schematic diagram simple electrical circuit diagram   Low battery indicator circuit diagram   …

## 2000W inverter circuit

2000W Inverter circuit diagram This is the circuit diagram of 2000w high power inverter circuit. This is based on the mosfet3205 . use 24v DC supply for operation and connect 24v 5A or more than 5A transformer. Please careful with this circuit because high A voltage. Click on image for best resolution   Click to …

## Arduino Remote control 220v AC Without Relay

Remote controlled AC Load With Arduino Without Relay Arduino remote control Here I am presenting a mini project of remote control switch for any AC appliance without Relay. A homemade Arduino Remote control switch is an interesting idea. Arduino Uno board is used here but you can use any Arduino board. Download Arduino Library ProteusÂ  …

## Remote controlled LED with Arduino

https://www.facebook.com/1828100427483348/videos/461946714311895/ How to program Arduino ir sensor code Nowadays Infrared (IR) remote is widely used as wireless communication to control any appliances. There are many advantages of wireless technology.Â  TV/video remote controls, motion sensors, remote control toys, music player and infrared thermometers are a very prominent example of wireless communication using a remote control. In …

## Multi Pattern LED Chaser

LED chaser using Arduino This LED Multi Pattern of Blinking effect is done by using the arduino UNO. This led chaser circuit connection is very very easy and simple because of arduino board is used. The effect is very beautiful with multi style of patterns. Here only 10 LEDs are used but you can connect …

## Autocut Circuit For Stabilizer

Autocut Circuit For Stabilizer auto cut voltage stabilizer circuit diagram Here i am presenting a circuit of auto cut that is used mostly in manual voltage stabilizer. This is a protection circuit that protects electrical appliances from high voltage. This circuit connected with the output of the stabilizer. When the voltage increase above from the …

## Dark Sensor Circuit

Dark/Light Activated Circuit using LDR The dark sensor circuit is very useful to Automatic Switch ON and OFF any appliance by Detection of Light and Dark. LDR is a photoresistor that is used for the detection of light. When Light intensity high on LDR, The Resistance through it Decrease and When Light intensity is Low …

## Easy 3 Channel LED Flasher/Chaser

3 LED flasher circuit using transistor Here is another type of LED flasher circuit but this circuit is also about the same as my previous led chaser, here is some change in this circuit. This is a VeryÂ  Easy and beautiful LED chaser that is made using without any ic. only transistors, capacitors and resistors …

## CFL Driver Inverter Circuit

12v CFL Inverter circuit for Emergency Light This is a small power inverter circuit that produces 230v ac at the output through the transformer. The circuit is designed by T.Kalpana. This can be used as the emergency CFL lighting, CFL needs AC input for operating and this circuit provides the AC to CFL. This circuit …

## 12v Battery Level Indicator With LM3914 ic

12v battery charge level indicator circuit led bar graph The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. This ic is used for Dot and Bar Display.Â  A single pin changes the display from a moving dot to a bar graph. The current …

## Homemade Powerbank using Li-ion 3.7v Battery

Power bank For Mobile/Smartphone What is a Power bank When we go away from home then I face a very common problem, that is power backup of mobile phones. During travelling, it is a very common problem to get regular power backup.Â Â If youâ€™re traveling or out you wonâ€™t have a chance to recharge your device, …

## Solid State Relay With Triac And Optocoupler

Solid State Relay/ Optocoupler Relay Solid State Relay is a type of switch to activate Load by using without any Mechanical parts. In this there is only semiconductor devices used, no Mechanical coil relay is used to Switching the Connected Load.Â  Triac is used at the place of coil relay to switch ON and OFF. …

## Delay ON Timer circuit using transistor

Delay Timer For Switch ON Supply To Any Appliance For Protection Circuit 1 power on delay timer circuit The delay timer is a device that is used to take some duration be]fore switch on the main input supply to any equipment. This is a protection circuit to protect any electrical or electronic equipment and appliance …