Sunday, April 19, 2020

Voltage divider Circuit | वोल्टेज डिवाइडर

Voltage Divider ka use basically DC and AC dono types ke voltage ko divide krne ke liye kiya jata hai. Niche post mai detail mai alag - alag components ke use se voltage divide krne treeke btaye gye hai.



Voltage divider circuit in hindi
(1). Voltage Divider Circuit







Voltage divider ka use use electronic circuit mai kafi kiya jata hai or yah bhut hi useful hai, Agar hme 9 volt ko 4 volt mai convert krna hai to ham is technic se easily kar skte hai . Please read it with attention !.

Voltage divider circuit ko 3 treeke se bnaya ja skta :

  • Resistive Voltage Divider circuit 
  • Capacitive Voltage Divider circuit
  • Inductive Voltage Divider circuit

Resistive Voltage Divider circuit :-

Yah circuit Resistor ka use krke bnaya jata hai. Yah circuit DC v AC don ko step-down kar skta hai. Niche circuit ke according R1, R2 ki value ko change krke output voltage ko change kar skte hai.



Resistive voltage divider in hindi
(2). ResistiveVoltage divider Circuit










Formula :-




Here  
  R1 & R2 =  Resistor Value
Vo = Output Voltage
Vi = Input Voltage
For Example--  Vi = 9V,  R1 = 1000 ohm, R2 = 600

Than               Output Vo =  (9 X 600)/ (1000+600)
                                    Vo = 3.375 V 

Note - Agar R1, R2 ki value same hoti hai to Output votage (Vo), Input voltage (Vi) ki half ho jati hai. Mean Agar Vi =10V hai to Vo= 5V ho jayegi.




Capacitive Voltage Divider circuit :- 

Yah circuit Capacitor ka use krke bnaya jata hai. Yah circuit basically AC  ko step-down krne ke liya bnaya jata hai. Niche circuit ke according C1, C2 ki value ko change krke output voltage ko change kar skte hai, sath hi agar frequency bhi change hone par voltage change ho jata hai. Yah theoretical and Practically dono treeke se easily voltage ko measure kiya ja skta hai.

(3). Capacitive Voltage divider 









Here  
        Xc1 & Xc2 =  Capacitive reactance value
  Vo = Output Voltage
Vi = Input Voltage


                 here            Xc = 1/2𝛑fc
                      𝛑 = 3.14
                              f  = Input voltage frequency 
                              c = Capacitance of capacitor    

Inductive Voltage Divider cπircuit :-

Yah circuit Inductor ka use krke bnaya jata hai. Yah circuit basically AC  ko step-down krne ke liya bnaya jata hai. Neeche circuit ke according L1, L2 ki value ko change krke output voltage ko change kar skte hai, sath hi agar frequency bhi change hone par voltage change ho jata hai. 
Yaha theoretical and Practically dono treeke se easily voltage ko measure kiya ja skta hai.

(4). Inductive Voltage Divider










Here  
  XL1 & XL2 =  Resistor Value
              Vo = Output Voltage
            Vi = Input Voltage

Here      X =  2𝛑fL      
 𝛑 = 3.14
                                                f  = Input voltage frequency 
                                                L = Inductance of Inductor   


Summary - Voltage Divider ka use sensor based project or ADC projects mai kafi kiya jata, e.g. Kisi resistive voltage divider ke kisi ek resistor ko hta kar uski jagah resistive sensor (LDR, Thermistor, strain gauge etc.) ka use kiya jata hai jisse yah circuit Microcontoller ke liye ADC ka kam krta hai.




                               

                               Electronics क्या  है ? 

                              Voltage Regulator IC 7805, 7809, 7812

                               Sensor 

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2 comments:

  1. Ac voltage me resistive voltage divider kaam nahi karta kya?

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    Replies
    1. AC, DC dono mai use kar skte ho. Agar app 220V AC se lgane ki bat kar rhe ho to to apko resistance ki wattage bhi calculate krni pdhegi. Jab load bhut hi kam ho tab iska use best rhta hai. Basically inka use sensor ke sath ADC mai kiya jata hai.

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