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The electron and hole concentrations as a function of energy in the conduction band and valence band peak at a particular energy. Consider silicon and assume Ec - EF =0.20 eV. Determine the energy, relatiive to the band edges, at which the concentrations peak.
a) Find the voltage across the inductor for t > 0. (Assume the passive sign convention.) b) Find the power (in microwatts) at the terminals of the inductor when t = 200 ms. c) Is the inductor absorbing or delivering power at 200 ms
A control system is needed to control a small shopping center parking lot lighting system and the exterior lighting for the building. The design specifications require that the parking lot lighting and the exterior lighting turn on at dusk automat..
design the sign extension component of an I-Format Data Path Unit, where a 16 bit number will be extended to a 32-bit number, while mainintaing the sign (signed numbers use 2s complement).
1-If the voltage is 106 V cos(84 rad/s t + 46°) and the current is 9 A cos(84 rad/s t + 72°), what is the frequency of the instantaneous power. 2- If the voltage is 101 V cos(47 rad/s t + 11°) and the current is 16 A cos(47 rad/s t + 67°).
a 4-pole, 50 hz induction motor has a full load slip of 5%. each rotor phase has a resistance of 0.3 ohms and a standstill reactance of 1.2 ohms. find the ratio of maximum tirque to full load torque and the speed at which the maximum torque occurs..
Sam (75 ) takes off up a 50--high, 10 frictionless slope on his jet-powered skis. The skis have a thrust of 200 . He keeps his skis tilted at 10 after becoming airborne. How far does Sam land from the base of the cliff
The total charge that has accumulated on the positive plate of a capacitor varies with time. The charge follows q=At^2 for the first 4s. a) Find the value of current at t=2,6,9,12,16 s. b) Sketch the current i(t) as a function of time
select a window function to limit the number of samples of an infinite impulse response and the filter specifications are the same, regardless of which window function you select. If you are given the option of using either a Hamming
Using the symbols we've learned in class (standard symbols used universally), draw a schematic showing the circuit of a 12-V car battery (represented as a voltage source connected to a light bulb (represented as a resistor).
Signal w(t) is input to the filter. This signal is white noise, with PSD = N0/2. If we denote the filter output as n(t), what is the power in n(t) We input v(t) + w(t) into the filter, where v(t) = Ac cos(2pif0t). If Ac=4, what is the output signal..
if the analog signal to be quatized is a sinusoidal wave form x(t)=9.5sin(2000*pi*t), and if the bipolar quatizere uses 6 bits - what are the number of quantization levels - quantization step size or resolution, delta, assuming the signal range
Find the Laplace transform of the following: (i) f(t)= 45e^(-5(t-6)) (j) f(t)=2 sin(t-6) (k) f(t)="4.8" e^(-5t) cos?(400t -36o) (l) f(t)=8 d2x/dt2 + 5 dx/dt where (dx(0))/dt = 8 and x(0) = -4
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