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Draw a graph illustrating how resistivity varies with temperature for an intrinsic semiconductor.
b) Gallium nitride, GaN, has an energy gap of 3.36 eV at 300 K. Calculate the wavelength of the light emitted by a GaN LED at this temperature. c) State the standard SI units for:
(i) mobility
(ii) diffusion coefficient (or diffusivity)
(iii) current density. d) The p-type side of a pn junction diode is at a potential of -0.4 V and the n-type side at a potential of +0.3 V. A hole moves from the n-type side to the p-type side. What is the change in the potential energy of the hole in electron volts?
e) State three advantages of ion implantation over diffusion, as a means of introducing additional dopant into a wafer.
f) Explain why the gate current in an MOS transistor is extremely small and give a typical value for this current. g) The terminal voltages for an n-channel enhancement MOS transistor with VT = 0.5 V are:
VG = 5 V
VS = 3 V
VD = 4 V
Determine whether the channel in the device is pinched off in this situation.
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The material with lowest resistivity is (A) Constantan. (B) Silver. (C) manganin. (D) nichrome. Ans: The material with lowest resist
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What do you mean by variability in oxidation state of transition metals different from that of the non transition metals? Illustrate with examples.
Ask questCompute the mean and variance of a four-level image with histogram p(z\ ) = 0.1, p{zi) = 0.4, ?(1?) =0.3, p{za) = 0.2. Assume that z\ = 0, zi = 1, z$ = 2, and ? — ?. i
Binary Subtraction Negative numbers are represented in 2 complement form and subtraction is also per formed using 2 complement method in microprocessor. Hence we will dis
Discuss the feature of Pentium in brief. The Pentium is a 32-bit superscalar, CISC microprocessor. The word superscalar is used for the processor that has more than one pipeli
i need matlab codes for the minimum cell cost method to start the initial feasible solution and the stepping stone method to find the optimum value
kilo watt per capita
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