# IUB PHYS-P 105 - Current and Voltage (2 pages)

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## Current and Voltage

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## Current and Voltage

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current and voltage

Lecture number:
33
Pages:
2
Type:
Lecture Note
School:
Indiana University, Bloomington
Course:
Phys-P 105 - Basic Physics of Sound
Edition:
1
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PHYS 105 1nd Edition Lecture 33 Outline of Last Lecture I Exam Outline of Current Lecture II Resistors III Electric power and energy IV Capacitor V Faraday s law of Induction Current Lecture I II III Resistors Important element in electric circuit Can be connected in series or in parallel Series o Total resistance of equivalent circuit is the sum of resistance of al resistors Parallel o Inverse of the equivalent resistance is given by the sum of the inverse resistance of all resistors Electric power and energy Energy Power x Time Power o IxV o I 2 x R o V 2 R Capacitor Sheet of parallel plates can be used to store electric charge Capacitance C Q V Amount of charge can be stores with a given amount of electric potential increase Unit of capacitance is Farad 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 IV Faraday s law of Induction Varying magnetic field induces electric field When electric current flow in the wire it produces magnetic field When electric wire is coiled together the magnetic field is concentrated in the device o Called an inductor with symbol L o Unit of inductance is Henry H

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