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Consider a Schottky diode at T=300 K that is formed with Pt qφM=5.3ev 'work function' on n-type silicon.knowing that qX for silicon =4.05ev(a) find the barrier height.
(b) Calculate the saturation current.
(c) Determine the forward-bias voltage required to induce a current density of Jn=10 A/cm2.
(d) What is the change in forward bias voltage necessary to double the current density?
A telephone switching board can handle 120 phones. Assuming the following, and determine the outgoing traffic intensity and the number of channels
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.
during winter you use an electric heater rated 1000W . heat transfer occurs through four walls each width of 5m and hight 3m layers of walls are concrete , paint, gypsum. temperature outside is 5 degrees celsius what is the temperature inside the ..
A 1000 kg battery powered adiabatic electric vehicle has a fully charged battery containing 20.0 MJ of stored energy. If it requires 12.0 kW of power to keep it moving at a constant velocity on a horizontal road
design a multirange ammeter with ranges of 1-10mA,0-100mA, and 0-1500mA, using a 5mA movement whose internal resistance is 3.8ohms. draw a circuit diagram of the meter.
an fm transmitter delivers to a 50 ohm antenna a signal voltage of V(t)= 75sin(10^8 t+2 sin 10^3t) determine(a) carrier frequency (b) Intelligence frequency (c) modulation index (d) Total Power in FM signal
When a HIGH is on the output of the decoding circuit below, what is the binary code appearing on the inputs?
1) Modern technology has produced a small 1.5-volt alkaline battery with a nominal stored energy of 150 joules. For how many days will it power a calulator that draws a 2-mA current 2)The current entering the positive terminal of an element is
In a motor control system, one master stop pushbutton (Stop) is available for stopping the operation at any time. If the temperature switch (TSW) is closed, pressing the red pushbutton (RedPB) will turn on both motors M1 and M2.
A pump supplies oil at 0.0016 m3/s to a 40 mm diameter double-acting hydraulic cylinder. If the load is 5000 N (extending and retracting) and the rod diameter is 20 mm, find the Hydraulic pressure during the extending stroke.
A 6th order Chebyshev low pass filter has a 0.5dB ripple in the pass-band and has a cutoff frequency of 5Khz, determine the attenuation (dB) of the signal at: 1. 4Khz 2. 40Khz 3. 40Mhz
A windmill park produces energy at a tension level of 11kV. The park is going to be coupled up with a 11kV net not far from the park. To reduce the loss in transer the tension is tranfomred p at the parka nd down again right before coupling to the..
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