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Assuming you do not mean the plastic bags at the supermarket checkout that cost nothing, then you may be referring to free charge carriers in electical conductors and semiconductors, which are electrons in metallic conductors and electrons or "holes" in semiconductors. Now what was the question?
What else can I help you with?
Will hall voltage be identical in semiconductors and conductors?
No, the Hall voltage will not be identical in semiconductors and conductors due to differences in charge carrier concentration and mobility. In conductors, there are typically more free charge carriers, leading to a different Hall voltage response compared to semiconductors, which have fewer charge carriers and can also have both electrons and holes contributing to the Hall effect. Additionally, the type of charge carriers affects the sign and magnitude of the Hall voltage in these materials.
What are carriers of lyme disease?
Blacklegged ticks are carriers of lyme disease
What causes the depletion layer?
Depletion layer The area in a P-N junction that is free of (i.e., depleted of) current carriers.
Why equilibrium was not reached with 10mm glucose and 100 membrane Carriers?
Equilibrium was not reached with 10 mM glucose and 100 membrane carriers likely due to saturation of the carriers. When the concentration of glucose exceeds the transport capacity of the carriers, not all glucose molecules can be transported across the membrane simultaneously. Additionally, if the carriers have a limited turnover rate, the influx of glucose may outpace the rate at which it can be transported, preventing equilibrium from being achieved.
what charge conductors have?
Under normal circumstances, a conductor has no overall charge. Even though there are large numbers of free electrons available as charge carriers, for each free electron there is a corresponding proton within the atoms that make up the conductor. With equal numbers of protons and electrons, there is no overall charge.
What are kid carriers called?
Kid carriers are also known as baby carriers or child carriers. They are designed to safely and comfortably carry infants or young children while leaving the caregiver's hands free.
What carriers have ringback tones?
All mobile phone carriers offer ringback tones. A T & T is one of these carriers that offer this service. They can be used on any model or mobile carrier. Many carriers offer free ringback tones. They can be purchased as well for a few dollars each.
What is a good website for free ringtones for all service carriers?
http://www.zedge.net/ is my favorite.
What carriers sell iPhone 3?
I don't believe any carriers still sell the iPhone 3GS or older, especially considering they offer the iPhone 4 now for free (with contract).
Is msn on your phone free?
No, MSN is not free on your phone. With most cellphone carriers it costs about 5 dollars. Or, if you have a Blackberry or Iphone, you can download the application and as long as you have internet it's free. :)
What mobile phone carriers provide free calls to residential phone numbers?
There are many mobile phone carriers that provide free calls to residential phone numbers, such as Vodafone who has numerous deals such as the Vodafone Alltime that gives you free residential calls. Other companies that also do this deal includes TPG, Telstra and Virgin mobile.
Where can I get free wireless phone ringtones?
Websites like www.funtonia.com/carriers/Verizon_Wireless/, www.free-ringtones.uk.com/, www.justlogos-ringtones.com/free-ringtone.html have free wireless phone ringtones which you can download to your phone.
Where can I find online information on how to get free cell phones?
Many carriers will give you a free phone to sign a contract with them. Although in the long run the phone is free the service certainly is not. Beware what you are signing when getting a free phone.
Why electricity is difficult to pass a resistance?
The basic idea is that in a resistor, there are less free charge carriers (usually electrons).
What cell phone providers sell the krazr cell phone?
The top 4 carriers carry the Motorola Krazr cell phone. You can find them at AT&T, Sprint, Verizon and Tmobile. All carriers are offering them for free with a contract.
Is 0.facebook.com on nexus free?
0.facebook.com is free only on select mobile carriers. Otherwise, you may incur standard browsing charges. Consult your mobile carrier
Why the current increases rapidly after breakdown?
breakdown can depend on two phenomenons: band to band tunneling (quantum theory) and avalanche multiplication. For simplicity, let's talk about A.M.: With negative voltages, E field is very high and induces free carriers to cross depleted region. A percentage of free carriers (depends on material, depletion region width, doping, temperature and voltage applied) will impact with crystal and generate a pair of free carriers (hole + electron). So, for each impact, a couple of carriers is generated and accelerated by E field => repeat this for all the depletion region and all the width and you'll find a rapid increase of inverse current.
