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The short-circuit current of silicon p+-N solar cell at room temperature is Isc ≈Iph = 100mA. The technological parameters of the cell are Area A = 4 cm2, ND=5*1016cm-3, μp=380cm2/V.s, Lp=10μm, and ideality factor n≈1.a) Derive the equation for open circuit voltage, VOC and calculate VOC.b)Calculate the maximum power that can be obtained from this cell. what load resistance RL is needed to extract this power.c) How many cells, operating at maximum power, have to be connected in series to obtain a voltage of 12V? How many 12-V cells have to be connected in parallel so that the maximum power is 5.7W?
Assume that we will use a double-precision number for non-integer numbers (if you recall, this means a binary "scientific notation" with a sign bit, 11 exponent bits using an excess-1024 representation, and a 53-bit mantissa of the form 1.--52 bits-..
The loading of an industrial facility on a 240 V, 60 Hz system includes: 20 kW resistive load 50 kW induction motors operating at 0.7 power factor lagging 10 kVA capacitive load at 0.7 power factor leading
Referring to the circuit with switches connected to doors: Consider 3 doors, Doors A, B, and C. Design a circuit that will illuminate an LED only if both Doors A and B are closed or if Door A is closed and Door C is open.
After the user enters the words, the program will determine which words would come first and last if the words were listed in dictionary order. The program must stop accepting input when the user enters a four letter word. Assume that no word is m..
With the 1s complement scheme, how does the receiver detect errors? Is it possible that a one bit error will go undetected? How about a two bit error?
1. Find the transfer function 2. Find the Laplace transformation of the output when x(t)=sin(t)u(t) 3.Find the output by taking the inverse Laplace transform of part 2.
Construct a truth table for a three variable function that includes minterms 1,4,6,7. Construct the corresponding K map and use it to find a minimal SOP expression for F.
The isotope's half-life is 5 days. The average energy of the beta particles is 0.35 MeV with an RBE of 1.5. Ninety percent of the beta particles are absorbed within the patient's body and 10% escape. What total dose (in mSv) does the patient recei..
Assume a piecewise linear model for the diode has a cut-in voltage of 0.7V and a forward resistance , rf, of zero. Determine the ripple voltage, Vr, for each of the following capacitors : 1μF, 10μF,100μF for a following a half wave rectifier.
any noise will pass straight through to the ADC subsystem, introducing measurement error. You have two choices to mitigate this: SW filtering and HW filtering. Either way around, you need a HW anti-aliasing (low pass) filter following the output.
(a) What is the tension in the coupling between the first car and the locomotive? (b) If this tension is equal to the maximum force the locomotive can exert on the train, what is the steepest grade up which the locomotive can pull the train at 25 ..
Capacity, Data and Transfer Rates, Access Time of Disk Drive, A hard disk drive has 10 disks and 18 surfaces available for recording. Each surface is composed of 200 concentric tracks and the disks rotate at 7200 r.p.m.
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