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(a) Draw and illustrate the V-I characteristics of PN junction diode. How the characteristics reflected with change in temperature?
(b) Describe physically why a PN junction diode acts as rectifier?
(a) What do you understand by breakdown diodes?
(b) Describe how the process of avalanche breakdown occurs in a PN junction diodes. How it is different from Zener diode?
Example of unlike coplaner parallel force''
How much would it cost for the following?
Q. Sketch the timing diagram for a 4-bit ripple counter which uses T flip-flops.
Q For a three-phase, fully controlled, recti?er-fed, separately excited dc motor, corresponding to ideal no-load operation, find the expression for the no-load speeds. Comment on w
How is 8255 (Programmable Peripheral Interface) configured if its control registercomprises 9B h. Ans 9BH => 1001 1011 => b6b5=00-> Mode0 b4=0-> Port A as
Q. Based on the 8421 BCD code for decimal digits 0 through 9, develop a block diagram for a BCD encoder and its implementation scheme.
Q. Explain how LEDs are arranged in a seven segment display ? The illustration given below shows the basic layout of the segments in a seven- segment display. The segments the
Continuity Equations These equations are fundamentally particle conservation equations: Electron continuity equation: ∂n /∂t = (1/q) (∂j N / ∂X) + G N - R N Hole c
advantages and disadvantages
Q. Describe CCITT hierarchical structure of switching and routing using block schematic. Ans: Hierarchical network are capable of handling heavy traffic where req
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