Estimate the magnitude of the electron drift current density

Assignment Help Electrical Engineering
Reference no: EM13268012

Consider a p-type Si sample with a resistivity of 0.5 cm. The doping level is uniform throughout. In a certain portion of this sample, there is an electric field of a magnitude 1000 V/cm. Estimate the magnitude of:

a)  the electron drift velocity,
b)  the hole drift velocity,
c)  the electron drift current density,

d)  the hole drift current density,
e)  the total drift current density.

Reference no: EM13268012

Questions Cloud

Key features of the demographic transition model : Describe the key features of the Demographic Transition Model. Also, give an example country or place for each stage of the model.
What is the final temperature of the gas : The gas in a cylindrical container has a pressure of 1.0 multiply.gif 105 Pa and is at room temperature (293 K). What is the final temperature of the gas
What is so special about the nile : What is so special about the Nile? How would you explain the amazing success and stability of Nile civilizations? What similarities and differences do you see between the societies of the Nile and the societies of Mesopotamia we studied in Chapter 2?..
What is the present value of this mine today : Assume that you will keep the mine open for 20 years and then close it down (at zero salvage codes). What is the present value of this mine today?
Estimate the magnitude of the electron drift current density : Consider a p-type Si sample with a resistivity of 0.5 cm. The doping level is uniform throughout. In a certain portion of this sample, there is an electric field of a magnitude 1000 V/cm.
Features of the demographic transition model : Describe the key features of the Demographic Transition Model. Also, give an example country or place for each stage of the model.
What is the longest wavelength of visible light : In Young's double slit experiment, 422 nm light gives a third-order bright fringe at a certain location on a flat screen. What is the longest wavelength of visible light
Nonconventional monetary policy : Discuss effectiveness of the nonconventional monetary policy adopted by the Fed during the 2008 financial crisis and provide your opinion about the validity of this policy.
Determine the initial speed of the car : A skid mark has length 25 m. You measure the coefficient of friction between the tire and road as 0.50. determine the initial speed of the car

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Find the current through the transmission line

The voltages at the generators buses are maintained at a magnitude of 1.0pu. The generator one (G1) is connected to bus 1. The generator two (G2) is connected to bus 2. The bus angle at bus 2 is taken as reference and is 00.

  Compare number of transmission paths in hybrid topologies

A star-bus hybrid topology consists of a main three branch star toplogy with each branch connecting three stations in a bus topology. This toplogy is changed to a new bus-ring hybrid topology with main five station bus topology.

  What is the antenna gain-radiated power and eirp

A transmitting antenna has a radiation resistance of 72 ohms, an effective resistance of 8 ohms, a directive gain of 20, and an input power of 100 watts. What is the antenna gain, radiated power, and EIRP

  What is the minimum sampling frequency to sample the signal

A bandlimited signal with maximum frequency of 3.3 kHz, what is the minimum sampling frequency to sample this signal. If a sinusoidal signal of 7 kHz is sampled by this sampling frequency, what is the frequency of the alias

  Find the p-value for the test od defective boards

a six sigma black belt found that in a random sample of 140 printed circuit boards, 18 are defective. At the 5% level of significance, test that the percentage of defective boards is 10% against the alternative which is greater than 10%.

  Determine the equivilant resistance of the battery

Design a hand warmer with a heated element consisting of an encapsulated resistor to be held in your hand and powered by a 6V battery that you put in your coat pocket. Use 26 gauge wire to connect the resistor to the battery.

  Estimate the cost of a shell and tube heat exchanger

A 250ft^2 shell and tube heat exchanger was purchased fo $13,500 in 1994 when the index value was 830. Estimate the cost of a 150 ft^2 shell and tube heat exchanger in 2010 when the index calue is 1,029 and the appropriate factor is 0.6.

  Determine the boolean function that multiplexer implements

An 8x1 multiplexer has inputs A, B, and C connected to the selection inputs S2, S1, and S0, respectively. The data inputs I0 through I7, are as follows: I1 = I2 = I7 = 0; I3 = I5 = 1; I0 = I4 = D; and I6 = D'. Determine the Boolean function that t..

  Find the number of poles in the machine and generator

A three phase motor is connected to a 60Hz electrical source. The motor spins at 600rpm. Find the number of poles in the machine. The output of the above motor is connected to the input of a generator.

  Find the intermodal delay and maximum achievable bit rate

If the length of each fiber is 500m, find the intermodal delay and the maximum achievable bit rate. How many channels can be connected to the SLM switch considering each channel's data capacity and the modulation speed of the acousto-optic modulat..

  Determine output of thermopile for j-type thermocouple wire

A temperature of 200 oC is measured using a thermopile having three pairs of measuring junctions as shown in the figure below. The reference junction temperatures are set at room temperature of 25 oC.

  Find secondary terminal voltage when it is connected to load

A 600/120V, 60Hz transformer has a primary resistance of 0.4 Ohm, reactance of 0.9 ohm and secondary has a resistance of 0.8 Ohm and reactance of 1.2 Ohm. Find the secondary terminal voltage when it is connected to a load of 1500W at 0.8 lagging p..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd