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A silicon step junction maintained at room temperature is doped such that EF = EV - 2kT on the p-side and EF = EC - EG/4 on the n-side.
(a) Draw the equilibrium energy band diagram for this junction.
(b) Determine the built-in voltage (Vbi) giving both a symbolic and a numerical result.
Calculate: a. The rated primary and secondary currents b. The secondary voltage if it is connected at full load of 2000 kW c. The voltage regulation from no-load to full load. Voltage regulation is given by: (E(no-load)-E (full-load))/E(full-load)..
during an ap the membrane potential typically moves from -70mv to 20mv and back again. in a cell with 10um radius and
A gaseous mixture containing 50 mol% hydrogen and 50 mol% acetaldehyde (C2H4O) is initially contained in a rigid container at a total pressure of 760 mmHg absolute. The formation of ethanol occurs according to C2H4O + H2 C2H6O.
Two 1-km fibers are spliced together. Each fiber has a 3-dB loss, and the splice adds 2 dB of loss. If the power entering is 2 mW, then how much power is delivered to the end of this combined transmission line
Four 18W lamps are connected in parallel across 6V. Draw circuit. What is the current though each lamp What is the resistance of each What is the effective resistance of the combined four lamps
Design an Ag/AgCl electrode that will pass 150 mC of charge without removing all the AgCl. Calculate the mass of AgCl required. Show the electrode in the cross section and give the active area.
Consider a zero-phase sine function, x(t), with frequency ?=1.3rad/sec. What is the minimum positive time shift needed to turn this function into a zero-phase cosine of the same frequency
A) Draw the correct circuit to serve a 2.4kv single-phase load from a 7.2kV source. If the load is 50kva at pf=.8 lagging, compute the secondary and primary phasor currents. is this a step-up or step-down application B)Draw the correct circuit to ..
Calculate Is and the current I for V = 700 mV for a pn junction for which Na = 1017 / cm³, Nd = 1016 / cm³, A = 200 µm², ni = 1.5 x 10^10 / cm³, Lp = 5 µm, Ln = 10 µm, Dp = 10 cm² / s, and Dn = 18 cm² / s
design a full-wave bridge rectifier to deliver 12dc with less than 0.1v ripples into a load drawing 100ma. specify
using 1/(s+2)(s+4) + c find when the poles are repeated and use that value to calculate the impulse response using laplace transforms. Calculate the step response when c = 10 using Laplace transforms.
In the movement of a robot arm, the arm is commanded to go from position 1 to position 5. Discuss the rise time, the overshoot, the settling time, and the steady-state error as it applies to the movement of a robot arm
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