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A diode is measured to pass 0.31mA at 0.70V forward bias, and 1.12mA at 0.75 V forward bias. What are its n and Is? Assume that kT/q=0.026V.
For extra credit, if the diode passes 4mA at 0.9V forward bias, what is its forward parasitic resistance?
if a circuit contains 3 automatic switches and we want that, with a probability of 95%, during a given time interval they are all working, what probability of failure per time interval can we admit for a single switch
A 200-kVA, 2300\230-V, 60-Hz transformer operating at rated voltage in the step-down mode is supplying 150 kVA at 0.654 power-factor lagging. Assume the transformer is ideal. Determine (a) secondary current; (b) impedance of the load; (c) primary ..
antimony pentafluoride,SbF5, is very strong lewis acid and can be used in combination with HF to form a superacid solution. predict the molecular geometry of SbF5 and draw its lewis structure.
The cylindrical coaxial cable with the cross section shown below, has inner and outer radii of 5mm and 15mm respectively. The dielectric parameters are; er=2, signma=5*10^(-10) S/m and Ur=1.
If the MOD-8 binary counter is driven by a 10 MHz input clock with a 5% duty cycle, what is the output frequency and duty cycle of the final stage
Instrumentation amplifiers are indeed constructed with either 2 Op Amps or 3 Op Amps. Does that mean that the 3 Op Amp is more common
A signal is sampled every 1ms for 20ms, with the following actual values of the analogue voltage at successive sampling times. Plot the values of the voltage recorder by a 5 volt, 4 bit ADC assuming that the noise level is much lower
A 35-year old female worker receives an x-ray exposure of 5.2 rad (whole-body) while carrying out emergency procedures in a nuclear accident. Discuss the health risks assumed by this worker as a result of the radiation exposure.
The failed machine will be immediately replaced with a brand new one upon the failure and the replacement time is negligible. Each machine will cost $100,000 dollars and the system is designed to run for 5 years.
Describe the how the Hall Effect it is used to measure whether a semiconductor material is n-type or p-type. Sketch a diagram and show the critical measurements.
A 20kW, 250V, self-excited dc shunt generator is driven at its rated speed of 1200rpm and it is delivering rated power at rated terminal voltage. Its armature-circuit resistance is 0.15-ohm, and the field current is 2 A.
What will be the output voltage from the bridge for a change in temperature of 20o C The supply voltage to the bridge is 6.0 V and the temperature coefficient of resistance of the platinum is 0.0039 K-1.
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