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What is the two parameter that minority carrier lifetime depend on?
The minority carrier lifetime primarily depends on two parameters: the concentration of impurities (dopants) in the semiconductor and the temperature of the material. Higher impurity concentrations can lead to increased recombination rates, thereby reducing the lifetime. Additionally, elevated temperatures typically enhance thermal energy, which can increase carrier recombination processes, further affecting the lifetime.
What happens to the resistance of silicon as its temperature increases?
A: As temperature increases its resistance increases. Like all silicon diodes it will reach a point where the temperature coefficient is zero but it is at such elevated temperature to make it invaluable
What is a synonym for erected?
upraised, raised, reared, elevated, lifted
Why are the water tanks elevated?
So you can use gravity rather then a pump to get water out of them.
What is working principle of PN Junction Diode?
Assuming that you are familiar with p-type and n-type doped semiconductor materials, we will consider silicon, in simple terms. At the p-n junction area, electrons can more easily pass from the n side to the p side. This is due to the availibility of surplus electrons in the crystal lattice structure of the n-type silicon. Likewise a shortage of electrons in the crystal lattice structure of the p-type, makes it a willing acceptor of the electrons from the n-type at the other side of the barrier. This transfer through the junction requires a specific force, in electrical terms what we call voltage. For silicon 0.6 to 0.7 volts gets full and safe current flow through the junction. Less than about 0.6 V the current will be much less. If the voltage polarity bias of the junction, is such that the pressure is now trying to force electrons from p to n, there will be only a tiny leakage current. The result can be seen to be that a diode is a one way valve for electrons. They can go from n to p but not p to n. Note that the arrow on the diode symbol is pointing in the opposite direction to the direction of electron movement. This symbol was designed in the conventional current only era, before we found out that current is actually the movement of electrons.
What are an elevated temperature?
fever
What has the author W F Simmons written?
W. F. Simmons has written: 'Report on the elevated-temperature properties of chromium-molybdenum steels' 'Report on elevated-temperature properties of chromium steels' 'Report on the elevated-temperature properties of stainless steel'
Does elevation of blood glucose elevate your temperature?
No, elevated blood glucose with have no effect on temperature.
What does elevated temp mean?
raised temperature or raised temperarely
Why is germanium used in amplifiers?
For the same reason silicon is, they are both semiconductors and thus can be used to make transistors which can be used to build amplifying circuits.- - - - -It isn't any more. Aside from all the other drawbacks to Germanium (more expensive, noisier, less able to handle high voltages), it becomes "intrinsic" at a fairly low temperature. A pure semiconductor material is called intrinsic, it's also called an insulator. If you put the probes of your ohmmeter in a pail of sand - the material all silicon semiconductors start out life as - the meter will sit there and look at you like "now why did you do that?" To make it do its thing you have to "dope" it with boron or arsenic. Once you spice up your silicon (or germanium, in the case of this thread) with dopants, it's called extrinsic material. Well...what happened is Motorola built a bunch of transistorized car radios with germanium components back in the 1950s, and when the weather got hot the radios all quit working...because at slightly elevated temperatures germanium forgets it's doped.
What part of the skin responds to elevated body temperature?
The sweat glands in the skin respond to elevated body temperature by producing sweat, which helps cool the body through the process of evaporation.
What can cause a temperature to be elevated?
The body believes that there is something to fight;so it raises the temperature, to kill off the offenders.
Is ammonium chloride a solid at room temperature?
Yes, it is a crystallic soli, though not very stable at elevated temperature
What is a response to a bacterial infection?
Sanguinous drainage, elevated temperature, redness, increased pain
What is the fastest way to cool someone with an elevated temperature?
Cool someone down with an elevated temperature by removing as much clothing as possible and draping with a sheet. Use a cool washcloth to wipe the face and limbs allowing the body to cool down.
What are elevated Basal body temperature?
During your menstrual cycle, an elevated basal body temperature indicates that you have entered your luteal phase. This means that you have ovulated and moved on from the folicular phase. During the first part of your cycle, your body produced estrogen which lowers the basal body temperature. Once ovulation occurs, the body begins to produce progesterone, which causes basal body temperature to rise slowly until your period comes. Throughout your cycle, your temperature should rise and fall, but it is considered an elevation when the temperature rise above a cover line and stays elevated above it.
What does a victim with heatstroke usually have?
These victims will have an elevated temperature, dry skin, and a low respiration rate.
