resistance basic guide

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Issue:

Science

 

Written by:

Rodney P

 

Date added:

January 17, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

5 / 1366

 

Was viewed:

7526 times

 

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[Note 1] So, in metals, we have all these millions and millions of electrons whizzing about at high speed, in random directions, between the fixed atoms. When you connect the piece of metal across a battery all these electrons are still whizzing about at random, BUT they are also forced to slowly drift in one direction...
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This slow drift is called the current. [Note 2] As the electrons are forced through the metal they collide with the atoms and transfer energy to them. This is where the word resistance comes in. The electrons experience resistance to their forced movement between the atoms. When the electrons collide with the atoms the electrons lose energy and slow down, the atoms gain energy and vibrate faster...
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