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Q. Explain about Diodes?
A single pn-junction with appropriate contacts for connecting the junction to external circuits is called a semiconductor pn-junction diode. The fundamental building block upon which all semiconductor devices are based is the pn-junction. The most common two-terminal nonlinear resistor is the semiconductor diode, whose symbol is shown in Figure (a). The terminal voltage and current are denoted by vD and iD, respectively. The physical structure of the pn junction is shown in Figure (b). The junction is made by doping the two sides of the crystal with different impurities. Figure (c) shows the volt-ampere curve (or static characteristic) of the ideal (or perfect) diode. Note that when vD is zero, iD is not and vice versa, a condition corresponding to a switch. A diode acts like a switch that closes to allow current flow in the forward direction, but opens to prevent current flow in the reverse direction. The diode thus acts like a unilateral circuit element providing an on-off characteristic.
Propositional Logic: This is a fairly restrictive logic, that allows us to be write sentences about ¬propositions - statements about the world - that can either be true or
What is a Priority Interrupt? Ans: A priority interrupt is a type of interrupt that establishes a priority over the many sources to determine which condition is to be serviced
Name the ABAP/4 Modularization techniques. Techniques are:- Source code module. Subroutines. Functions.
What is "Scan"? Scan Insertion and ATPG helps test ASICs (e.g. chips) during manufacture. If you know what JTAG boundary scan is, then Scan is the similar idea except that it i
Propositional versions of resolution: Just because of so far we've only looked at propositional versions of resolution. However in first-order logic we require to also deal wi
#what is nicol prism.its construction and working
electro chemical series and its applications
A stationary random displacement signal was digitised at 64 samples a second and analysed to obtain an auto-spectral density. The signal was calibrated in mm units. The frame siz
What is a work process? A work process is where individual dialog steps are in fact processed and the work is done. Every work process ocuurs one type of request.
Multiple Instruction and Single Data stream (MISD) In this association, multiple processing elements are structured under the control of multiple control units. Each control un
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