# WVU PHYS 102 - Ohm's Law (2 pages)

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## Ohm's Law

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## Ohm's Law

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Ohm's Law Resistance Resistivity

Lecture number:
10
Pages:
2
Type:
Lecture Note
School:
West Virginia University
Course:
Phys 102 - Introductory Physics
Edition:
1
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Unformatted text preview:

PHYS 102 1nd Edition Lecture 10 Outline of Last Lecture I Capacitance Outline of Current Lecture II Resistance Resistivity and Ohm s Law Current Lecture III Resistance Resistivity and Ohm s Law A Last time Current charge flow I Q t When their charges flow through a material Copper Iron your body computer they will face a resistance R I Q t V R I V R volts Amps Ohm s Ohm s Law B R R0 L A 1 For superconductors R0 0 C Battery terminology DC direct current circuit in one direction out of the terminal D Ohm s Law Applications 1 pg 611 11 I 80 X 10 6 A 0 00008 A a dry I V R These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute 80 X 10 6 V 400 000 V 80 X 10 6 X 400 000 32 Volts b wet R decreased to 2000 Ohms it was 400 000 dry 80 X 10 6 V 2000 V 0 16 Volts An AA battery is 1 5 volts so 10 times this amount

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