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Re: P-N Junction
Between the p and n part of the diode there is a potential difference. you could also ask a similar question: why is there no current flowing when making a diode-resistor-loop, so you could use a diode as a battery; the reason is that by connecting the diode you get two...
Re: Electromagnetics
whenever at any point in the space you have changing magnetic field you have curl of the electric field; you get generally non conservative electric potentials; so going a loop in space makes a net change in energy;
neglecting voltmeter: if it is a real diode then i think it should be 12V, because no current flows and the only point where there is 0A current in a real diode is when the diode voltage is 0V and this explains the simulation result above;
with the finite resistance of the voltmeter: the current...
Re: Object size
your eye "sees" the object under some angle;
when object (or you or both) moves away this angle changes;
as object goes more far this angle approaches zero;
this is the angle a point produces;
Re: DIODE CAPACITANCES
you write:
"since in forward bias case there is no junction...."
and thats wrong in my opinion; in forward bias case generally there is junction;
you said it yourself, after threshold is only one part of the forward bias;
for example 0.01 V and thats forward bias too but...
as it was formed from particles in a gas cloud the particles had an angular momentum.
the sum of those angular momentum sums up to nonzero and does not change much, because almost no torque is exerted on the earth.
Re: probability question
i would answer:
since she visits them one after the other, there are two possibilities:
1. D before S
2. S before D
these are the events.
one of these possibilites will certanly occur, and since they exclude ( P(1. and 2.)=0) each other you can say:
P(D before S)+P(S...
what you mean by it does not store energy? i always thought that capacitors and inductors save energy; the one is in electric field 0.5*C*V^2 and the other in the magnetic field 0.5*L*I^2;
maybe i understand wrong what you mean
Re: power of 3
if i understand you well you want to factor this term.
if you really mean what you have written there then i can't help you; the reason is that its not a polynomial since "-0.05^s" (stop reading if this is the case)......but if you mean instead "-0.05*s^1" then this can be...
Einstein derived this relationship in statistical physics.
It's not only used in semiconductor physics; its a general relationship which is only used to model charge transport in solid state physics
Re: large signal?
large signal: you look at the DC behaviour of your element, when your currents and voltages vary over the whole ( in general nonlinear) range.
large signal is static behaviour. if you have only a DC-V-I-plot of a diode you cant say how long does it take if you switch it from...
dlp home made demo
i am still studying and i am not as experienced in making things as you.
but i don't still really believe it is impossible; yes its a complex and precise system maybe.
for all the guys here still studying it would be fun to make something cool like that;
i think making the...
lcd projector, homemade
There is a big community in Germany and Swiss dealing with it; try **broken link removed** but its in German.
What i like more is the idea to make it with DLPs. Here is a good flash demo which explains how it works.
I would like to build a DLP projector it but i dont...
I don't know what to study so i ask you what i should do.
I am interested in all given options but i want to know where i have best chances.
Thank you for your help.
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