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1. describe how electrons move in the conductors, semiconductors and insulators?
2. describe how diodes and simple transistors are constructed and how they work?
Your essay must be written in your own words. Be sure to state any important terms.
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Prove that detailed balance implies invariance of the distribution P(x) under the Markov chain T. Proving that detailed balance holds is often a key step when proving that a Markov chain Monte Carlo simulation will conve ...
An electron (mass m1 = 9.11 x 10-31 kg) and a proton (mass m 2 = 1.67 x10 -27 kg) attract each other via an electrical force. Suppose that an electron and a proton are released from rest with an initial separation d = 3. ...
1. If the above sample is n-type and the electron concentration at the location x 1 is N(x 1 )=10 16 cm -3 , what is the drift current density in A/cm 2 ? What is the concentration gradient at this point, dN(x 1 )/dx? 2 ...
It has been generally known to Si technologists (such as the CCD or Charge Coupled Device and high efficiency solar cell engineers) that iron impurity is a rather nuisance recombination center because it is highly unstab ...
Using a graph like Figure 3.41, estimate to one decimal place the magnitude of the error in approximating sin x by x for -1 ≤ x ≤ 1. Is the approximation an over- or an underestimate?
Show that the average time taken to find the required string in a raw list, assuming that the original names were chosen at random, is about S + N binary comparisons. (Note that you don't have to compare the whole string ...
A state-of-the-art n/p/n Si transistor has a signal amplifying or electrically active p-type base layer whose volume is 1μm 3 and which is doped with 10 18 boron/cm 3 . Suppose that the transistor will not work due to ...
1. Why can heavy nuclei with odd numbers of neutrons be induced to fission with thermal neutrons, whereas those with even numbers of neutrons require more energy input to induce fission? 2. Why is a conventional fission ...
The distance, s, of a moving body from a fixed point is given as a function of time, t, by s = 20e t/2 . (a) Find the velocity, v, of the body as a function of t. (b) Find a relationship between v and s, then show that s ...
Describe the relationship between electron orbital energy levels and the energy of light that electrons emit for atoms in a gas.
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