Iceo =(beta+1)Icbo.
please explain reason in physical way
voltage across zener diode is constant even if we change current across it .if current is doubled then voltage is same as earlier . please explain reason in physical way
10 November 2015 7,688 7 View
in PN junction in case of reverse bias fermi level of P is increased and in N fermi level is reduced . in case of forward bias fermi level goes down in p type semiconductor.
31 December 2014 7,578 8 View
Nonresonant antennas have wider bandwidth over resonant antenna but have less sensivity than resonant antenna. I want to know other disadvantages of nonresonant antenna.
31 December 2014 1,957 18 View
most capacitance varies with frequency at low frequency it has high value in comparasion to high frequency
31 December 2014 5,347 4 View
if the size of wavelength is comparable with any metallic thing like jewellery then electromagnetic wave of that particular frequency will resonate that thing
11 December 2014 1,673 7 View
I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...
10 August 2024 3,629 1 View
We have observed that tube to tube sheet joint leaked in our boiler and needs to overcome same by knowing the root cause.
08 August 2024 3,161 0 View
If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...
07 August 2024 5,343 2 View
Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
07 August 2024 1,937 1 View
All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.
01 August 2024 589 4 View
Hey All! I am wondering what might be wrong with my band structure. I did the calculations using VASP and plotted the results using Origin. Although I have tried changing various input...
25 July 2024 2,920 11 View
Consider the case of negligible gravity but there is an accelerating reference frame. Its origin traces out a trajectory, or world line, seen in some inertial reference frame. The Lorentz metric...
24 July 2024 1,608 15 View
It is being seen that Editors of some reputed Journals are putting on hold the manuscripts and not updating review states even passing more than six months from submission. Researchers are...
24 July 2024 8,596 2 View
Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...
15 July 2024 9,975 1 View
students already took 1. numerical methods 2. programming language 3. Probability and statistics
09 July 2024 6,271 3 View
