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In an experiment of finding energy gap of a semi conductor by using diode what is the junction voltage?
The junction voltage of the circuit should be nearlyb 1.5 to 2v to be maintained which is fixed voltage...
Why the knee voltage for germanium is 0.2v?
The knee voltage for germanium is around 0.2V because this is the point at which the diode starts conducting current in a forward bias condition. Below this voltage, the diode remains non-conductive. This specific value is determined by the band gap energy of germanium.
Why is the diode reverse biased in energy band gap experiment?
In reverse bias,the currents flowing through the junctioare very smalland interal heating of junction does not takes place
When was Cumberland Gap Tunnel created?
Cumberland Gap Tunnel was created in 1996.
How to study the Band gap of a p-n junction diode?
Try googling it.
How does zener diode work?
The essential guideline behind the working of a zener diode lies in the reason for breakdown for a diode in converse one-sided condition. Typically there are two sorts of breakdown-Zener and Avalanche. 1.) Zener Breakdown This sort of breakdown happens for a converse inclination voltage between 2 to 8V. Indeed, even at this low voltage, the electric field power is sufficiently solid to apply a power on the valence electrons of the molecule such that they are isolated from the cores. This outcomes in development of portable electron gap sets, expanding the stream of current over the gadget. This sort of separate happens regularly for profoundly doped diode with low breakdown voltage and bigger electric field. As temperature builds, the valence electrons acquire vitality to disturb from the covalent bond and less measure of outside voltage is needed. Hence zener breakdown voltage diminishes with temperature. 2.) Torrential slide breakdown: This kind of breakdown happens at the converse inclination voltage over 8V and higher. It happens for delicately doped diode with vast breakdown voltage. As minority charge bearers stream over the gadget, they have a tendency to crash into the electrons in the covalent bond and reason the covalent bond to upset. As voltage expands, the active vitality of the electrons additionally increments and the covalent bonds are all the more effectively upset, creating an increment in electron opening sets. The torrential slide breakdown voltage increments with temperature.
What are the four materials used in electronics?
There are several types of material which are used for different -2 circumstances in electronics engineering domain.Widely used semiconductors are- Silicon - for diode ,solar cell, BJT etc. germanium- for photo devices,and BJT for low level signal amplification. GaAs(Gallium Arsenide)- for high frequency devices like tunnel diode Gunn diode. InP & AlGaAs- for LED and others semiconductor material are also available like CdS,SiO2,GaP etc.
Why vibration probe gap voltage set in negative 10 voltage?
Thats the linear range of the probe
Where gunn diode is used?
Gunn diodes are used in GUNN oscillator over high frequency application. its work on the transfer electron effect TET and the scientist J.B Gunn observe it so the phenomenon is named by gunn effect. the diode are made from GaAs material.because silicon is not suitable low forbidden energy gap 1.21eV only.
What is power diode generally made from?
As that of most power devices power diode are maid from silicon material(because of its wide band gap) . but now days alloy of silicon are used like sic(silicon carbide) by ank
Why the breakdown voltage of silicon is 0.7V whereas for germanium it is 0.3V?
The difference in breakdown voltage between silicon (0.7V) and germanium (0.3V) is mainly due to their different band gap energies. Silicon has a larger band gap compared to germanium, resulting in a higher breakdown voltage. This means that silicon can withstand a higher voltage before breaking down compared to germanium.
Why is there a gap in zener diode If you look through the glass to a untrained person it looks broken. Why?
In glass mounted diodes the semiconductor chip is very tiny and is mounted between two metal posts that terminate the ends of the leads. These posts are much larger than the tiny semiconductor chip, so it is easy to see light through the gap between the posts and fail to see the tiny semiconductor chip. The only way to tell if a zener diode is good or bad is to test its zener voltage (which must be done out of circuit and requires equipment not commonly available to the electronics hobbyist).
