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Calculate the mobility of the oxygen ions in UO2 at 700 K. The diffusion coefficient of Oz- at this temperature is 10- 13 cm zls. Compare this mobility with electron or hole mobilities in semiconductors (see Appendix 4). Discuss the difference!
A 500 Hz square wave is applied to theCK input of a T flip-flop with T held high. (a) Draw 6 cycles of the square wave along with thecorresponding flip-flop output. (b) Draw a circuit showing two T flip-flops in tandem andthe waveform of the output o..
A 50 ohm transmission line is terminated to the load (60-40j) ohm. How far from the load, a short ckt stub of a fix length of λ/8 needs to be placed so the minimum voltage standing wave ratio (VSWR) between generator and stub achieved. Find the VS..
A 20 V source with a Thevenin Resistance of 3 Ohms is set to the resonant frequency and connected to the RLC circuit. Draw the circuit diagram and determine the magnitudes of the voltage across the capacitor and the total voltage across the RLC ci..
A solar cell at 300K has an open circuit voltage of 0.55V and short circuit current of 2A with ideality factor of 1.3 Calculate Fill Factor and maximum power output under the following conditions: 1. Series resistance 0.08 Ohm, shunt resistance very ..
Sketch the magnitude spectrum of x(t) showing proper values for the amplitudes
an amplifier with a low-frequency gain of 100 and poles at 10^4 rad/s and 10^6 rad/s is incorporated in a negative-feedback loop with feedback factors B. For what values of B do the poles of the closed-loop amplifier concide
Phase 'A' of a three-phasee 4.16 kV ungrounded system is solidly grounded. For this fault, calculate the magnitude of the positive, negative, and zero sequence voltages at the fault.
An external voltage source is applied to a p-type semiconductor. If the left end of the crystal is positive, which way do the majority carriers flow?
A digital communications system is being designed with the goal of transmitting 32 kbits/s over a channel having a bandwidth of 8 kHz. Determine (a) the number of encoding levels required and (b) the minimum signal-to-noise ratio required in the c..
What are the differences between Laplace and Fourier Transform?
An ideal n+/p diode has only the quasi neutral p region of length L illuminated with light such that GL electrons/cm3-s are generated uniformly throughout the region. There is no photo-generation occurring elsewhere in the diode. Derive the curren..
Why do broadcast radio stations use narrow band transmissions?
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