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Hole current occurs at the valence band energy level in a material with a band gap, where electrons are absent and holes behave like positive charge carriers. This process involves the movement of holes in the direction opposite to the movement of electrons in a conducting material.
What else can I help you with?
What energy transformations occur in a solar panel?
In a silicon solar cell, light energy (a photon of energy >~ 1.1eV) is absorbed in silicon and the energy absorbed excites an electron-hole pair so charge particles are formed. If there is an electric field, the charge particles will separate and an electric current occurs.
Which celestial body would have more thermal energy: the moon or a black hole?
A black hole would have more thermal energy than the moon.
What energy transformation in solar panel?
In a silicon solar cell, light energy (a photon of energy >~ 1.1eV) is absorbed in silicon and the energy absorbed excites an electron-hole pair so charge particles are formed. If there is an electric field, the charge particles will separate and an electric current occurs.
Is a black hole truly a vacuum, or does it contain matter and energy that we have yet to fully understand?
A black hole is not a true vacuum, as it contains matter and energy that we do not fully understand.
What is the role of an accretion disk around a black hole in the process of matter falling into the black hole and emitting energy?
An accretion disk around a black hole plays a crucial role in the process of matter falling into the black hole and emitting energy. The disk is made up of gas and dust that spirals inward due to the black hole's gravitational pull. As the matter in the disk moves closer to the black hole, it heats up and emits energy in the form of X-rays and other high-energy radiation. This process of accretion and energy emission is what allows scientists to detect and study black holes, as the emitted radiation provides valuable information about the black hole's properties and behavior.
How does Defecation occur?
it has a hole
How is ozone hole formation?
See "How did the ozone hole occur?"
What energy transformations occur in a solar panel?
In a silicon solar cell, light energy (a photon of energy >~ 1.1eV) is absorbed in silicon and the energy absorbed excites an electron-hole pair so charge particles are formed. If there is an electric field, the charge particles will separate and an electric current occurs.
What is the thermodynamics equilibrium?
The thermodynamic equilibrium is what will occur when all matter collapses down to a black hole level, resulting in a "heat death" when all energy is subsequently sucked into those holes, resulting in a universal temperature of absolute zero, where all atomic movement ceases.
How many electrons are in the third energy level of helium?
Oh, dude, helium only has two electrons total, so there can't be any in the third energy level. It's like trying to fit a square peg in a round hole - just not gonna happen. So, zero electrons in the third energy level of helium.
What two processes occur when water falls to the ground?
The water heats up very slightly as the gravitational potential energy is converted into heat.The kinetic energy of the water is turned into work in excavating a hole at the base of the waterfalll.
When those lunar eclipse occur?
bum hole
Does a black hole ever occur on land?
No,it is impossible
What does black hole does with the energy which it absorbs?
It converts it into gravitational energy.
Where on the globe do most earthquakes occur?
Your Mothers crack hole
Where is the dipstick for 2002 Saturn SL2 for the manual transmission?
No dipstick; just an inspection hole on the side. Unscrew the plug and stick your finger in (a job best performed when the engine is off) to determine the current level of the lubricant. Lubricant SHOULD be even with the bottom of the hole.
What becomes of energy when it is sucked up into a black hole?
Such energy has a mass equivalent (m = e/c2). Any such mass falling into the balck hole will increase the mass of the black hole.
