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Why relative permittivity of germanium is greater than that of diamond give reason?
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Why would you use silicon diodes instead of germanium?
Though germanium diodes were the first ones fabricated, several factors make silicon the choice vs. germanium diodes. Silicon diodes have a greater ease of processing, lower cost, greater power handling, less leakage and more stable temperature characteristics than germanium diodes. Germanium diodes' lower forward drop (.2V to .3V versus .7V to 1.0V) make them better at small signal detection and rectification.
What color does diamond streak?
Diamond does not streak. Anything with a Mohs hardness greater than about 7 will cut the ceramic plate used for the test. Diamond, the hardest naturally occurring substance, has a Mohs hardness of 10. (Nothing else in nature comes close.)
Why does a diamond shine more than a glass piece?
Diamond has a much greater refractive index than glass. When light falls on a diamond piece, it is reflected inside the piece many times. This makes the diamond shine.
Would someone walking toward the back the train have greater or lesser speed relative to yo?
If you are just chilling on a train and somebody is walking towards the back of the train while the train is moving forward they would have less speed relative to you.
Can the relative velocity of two bodies be greater than the absolute velocity of either?
Yes it can be!!! If two cars on a straight road head directly toward each other at a speed of 60mph (relative to the road), the velocity of one relative to the other is 120mph. This example arbitrarily uses the road as the reference for each car's speed, but there really is no such thing as "absolute velocity" and both cars would have a velocity of about 1000mph relative to the center of the Earth. According to Einstein's principles of "Relativity" all velocity is relative.
Which has the lower electron affinity germanium or selenium?
Selenium has the greater electron affinity
Why would you use silicon diodes instead of germanium?
Though germanium diodes were the first ones fabricated, several factors make silicon the choice vs. germanium diodes. Silicon diodes have a greater ease of processing, lower cost, greater power handling, less leakage and more stable temperature characteristics than germanium diodes. Germanium diodes' lower forward drop (.2V to .3V versus .7V to 1.0V) make them better at small signal detection and rectification.
What is represented by 'A' in 'OA79' diode?
The symbol 'A' indicates that this device is made from germanium . as you may know germanium has less cut in voltage so this device is used for low power signal or for signal processing. also the leakage current or reverse saturation current of germanium is greater than silicon.
Why germanium shows good reducing properties?
because its size is big and hence have greater tendency to accept electrons.
Why sih4 has lower boiling point than h2s?
germanium has greater mass and thus is harder to move
Which has a greater ionization energy beryllium or germanium?
Beryllium has greater ionization energy, with 899 kJ/mol versus Germanium's 762 kJ/mol. The general trend (most prominently displayed in the representative elements) in the periodic table is increasing ionization energy across a period, and decreasing ionization energy down a group.
Difference between talc and diamond?
A diamond is harder, less abundant in nature and therefore of greater value.
With a blood alcohol level at 15 percent the relative risk of causing a collision is greater by nearly?
whith a blood alcohol level at .15%, the relative risk of causing a collision is greater by mearly?
What color does diamond streak?
Diamond does not streak. Anything with a Mohs hardness greater than about 7 will cut the ceramic plate used for the test. Diamond, the hardest naturally occurring substance, has a Mohs hardness of 10. (Nothing else in nature comes close.)
Why silicon is preferred over germanium in the fabrication of p-n junction diode?
Germanium diodes are more expensive than silicon ones, germanium is harder to process, germanium cannot be used to make integrated circuits (while early prototype integrated circuits were germanium the wiring between the integrated components cannot be integrated making it too expensive for production), germanium cannot operate with a junction temperature above 60C (silicon will operate up to 150C), and its reverse leakage current is greater. However! Germanium diodes have a lower forward voltage drop than silicon ones do, so they're better for some applications, like radio frequency detection.
The refraction of light in a diamond is greater for?
Short Wavelength light
Does a diamond sparkle in water or in air?
Given a light source and movement, a diamond will sparkle in air or under water. +++ I would expect the effect to be greater in air than in water though, because the density difference between diamond and surroundings are that much greater.
