Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Explain P - N junction.
P - N junction: If a p- type semiconductor is properly joined to an n-type semiconductor the contact surface that formed is termed as p-n junction. These semiconductor devices consist of one or more p-n junction. P-N junction is fabricated through special techniques that are growing, diffusion and alloying methods. This p-type semiconductor is having positively charged electrons and negative acceptor ions. The n-type semiconductor is containing positive donor ions and negatively charged electrons. While the two pieces are joined together and suitably functioned they form a p-n junction. The moment they make a p-n junction, several of the conduction electrons from n-type material diffuse over to the p- type material and undergo electron hole recombination along with the holes obtainable in valence band. Concurrently holes from p-type material diffuse over to n- type material and undergo hole- electron combination along with the electrons available in the conduction band. Such process is termed as diffusion. If a p-n junction is connected across an electric supply, the junction is said to be under biasing. And the potential difference across the p- n junction, can be applied in two manners, namely- forward and reverse biasing. When the positive terminal of a dc source is connected to p-type, and negative terminal is connected n-type semiconductor of a p-n junction, the junction is as in forward biasing. While the positive terminal of a dc source is linked to n-type, and negative terminal is associated p-type semiconductor of a p-n junction, the junction is as in reverse biasing. By forward bias, a low resistance path is set up in the p-n junction, therefore current flows through the circuit. Along with reverse bias, a high resistance path is established and no current flows through circuit. Such property is best suited for rectification of ac in dc.
p-n Junction
Q. Explain about Dial Pulses? Dial pulsing (sometimes known as rotary dial pulsing) is the method basically used to transfer digits from a telephone set to the local switch. Pu
Q. Draw and explain the circuit of Wein bridge oscillator. Obtain the expressions for the (i) frequency of oscillation and (ii) condition for oscillation. Will oscillat
With the help of energy bands explain how conduction takes place in insulators. Insulators: Substance as wood, glass, that do not permit the passage of current through them
What is the value of a resistor marked as 47KK?
Q. Illustrate the operation performed by instruction OUT 47 h, AL. Ans: It transfers contents of AL to I/O port 47h. Notice that I/O port number appears as 0047h on the 16 b
Q. Consider the synchronous counter shown in Figure of the text. (a) Draw its timing diagram. (b) Show the implementation of the same synchronous counter using D flip-flops.
Explain Quantizing Analog Signals? A common analog-to-digital conversion pipeline contains a spectrum limiter (a simple low-pass or bandpass filter), a sample and hold circuit
An intrinsic semiconductor at room temperature has free electrons
Balanced Score Card or BSC We see in which the traditional model does not reflect the significance of intangible assets, their capturing and measuring mechanism and does not r
Q. What is Open-loop voltage gain? The op amp amplifies the difference vd between the voltage on the noninverting (+) terminal and the inverting (-) terminal; see Figure. The t
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd