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Describe and explain drift current and diffusion current in a PN junction in thermal equilibrium. What causes each? In which directions are the electrons, holes, electron current, and hole current flowing for each effect? What is the net current? Assume the built-in E-Field points to the left. Use a diagram.
Find the values of I and V for the circuits assuming diode are ideal. Consider Vin=0,2,6, and 10V. Also plot V vs. Vin for Vin ranging from -10V to +10V
An AC Voltmeter uses a bridge rectifier and 100 ohm PMMC which requires a 1mA DC current for full-scale deflection. Assuming ideal diodes, calculate the value of the multiplier resistor to obtain full scale deflection with 10 V AC applied to the i..
A 12.5 nF capacitor is fully charged by a 12 V source. a) What is the charge on the capacitor b) What is the energy stored in the capacitor. Now the charged capacitor is disconnected from the source and a dielectric, porcelain, is placted between the..
Calculate the FLAT BAND POTENTIAL and the THRESHOLD VOLTAGE for a real n+ polysilicon / p- silicon MOS diode having Na= 1017 cm^-3 and oxide thickness d = 5 nm. Assume that the oxide has only fixed oxide charges (Qf)
A coil of 10H inductance and 5Ω resistance is connected in parallel with a 20Ω resistor across a 100-V DC supply which is suddenly disconnected. Find The voltage across the 20Ω resistor initially and after 0.3 sec.
Problem 1: It is desired that an Arduino along with an EduShield be used to control 6 camerassimultaneously. Each is made by a dierent company: a Canon, a Nikon, an Olympus, a Pentax,a Sony, and a Minolta.
If the mechanical power sent out from the machine is 100 kW at a rotating speed of 90% of the nominal speed. Compute the slip of the machine and find the power dissipation due to the rotor winding resistance.
Design a parallel resonance circuit with resonance frequency of 30kHz and bandwidth of 20kHz and plot its frequency response.
Point charges, each of value √(4πε0)C, are located at the vertices of an n-sided regular polygon circumscribed by a circle of radius a. Find the electric force on each charge for (a) n=3, (b) n=4, (c) & n=6.
Assume that your application has 600 data reads for each 4000 instructions. For the same number of instruction the application has 400 data writes. The cache used has an instruction miss rate of 0.6% and a data cache miss rate of 6%.
Determine the volumes of each of these semiconductors that will on avg contain one hole. The intrinsic carrier concentrations are ni=1.02*10^10 cm^-3,ni= 2.1*10^ cm^-3, and 10^-7 cm^-3.
A firm leases land from you for 15 years to build a warehouse. As payment you will own the building after 15 years estimated to be worth $400k however you must pay taxes and maintenance of $15k per year.
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