sir i want polytechnic lecturers model papers plzzzzzzzzz send me my mail id: manisri.bobbala@gmail.com
2178an unknown semiconductor has Eg=1.1ev and Nv=Nc.it is doped with 10^15 donors,where the donor level is 0.2ev below Ec. given that Ef is 0.25ev below Ec, calculate ni and the concentration of electrons and holes in the semiconductor at 300k.
1 113141.Why we have to use inductor in circuits, what is their behavior? 2. Why we have to use capacitor in circuits, what is their behavior?
1 3263why does the current through inductor is constant, why current through inductor & voltage across capacitor is constant? can u explin clearly?
BEL,
3 5620difference between USB net modem & GSM interface modem? Can we use usb modem in the place of GSM modem for wireless application? Also tell me Why we use AM for long distance communication but not FM(why do we use frequency reuse concept in FM radi only)
1792Post New Electronics Communications Questions
What are the characteristics of ideal opamp?
What is the chemical composition of the substance used as feed horn? And how many types of feedor are there?
i m i n3rd ye of btech EC branch and have been placed in sftware company..wat sghd i do to improve my skills in 4th yr..i have a gd academic background.
What is a waveform used for in reference to electronics?
what is the effect of increase resistance on reluctance?
Define pair, quad, and octet?
What are the UE modes in GSM,GPRS,UMTS and LTE
What is meant by level-sensitive devices?
Define what is the mechanism by which conduction takes place inside the semiconductor?
Why memory width is not 16-bit? In stead of having 8-bit in 8085?
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plz send last 5 year paper set for JE-II(ELECTRICAL)Exam held on few month in mumbai
Define what is a rectifier?
Explain why are using 4ma to 20ma for signal transfer. Why not 0 to 20ma?
i am btch 4th semester ece student.i want to get idea 6th month indistrial tranning and job in tcs.