physics

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Issue:

English

 

Written by:

Myrtle P

 

Date added:

January 20, 2013

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 506

 

Was viewed:

9581 times

 

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Essay content:

If the temperature is kept constant as well as other conditions, Ohms law is obeyed. The graph on the side illustrates the current through a resistor is proportional to the voltage. V=IR gives the formula for Ohms law. In order for current to flow it requires electrons to carry the electric current...
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V=IR gives the formula for Ohms law. In order for current to flow it requires electrons to carry the electric current. The electrons are the negative charge that can freely move about. Within metals there are a sea of electrons that can carry the electric current, which is reason why they conduct so well and are used for many purposes, such as wires...
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