Lecture 9a Electric Circuits _ Ohm's Law.pptx - ELECTRICAL...

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ELECTRICAL CIRCUITS
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COMMON COMPONENTS OF AN ELECTRICAL CIRCUIT 1.A Source of Electrical Energy/Potential Difference 2.An Electrical Device 3.Connecting Wires
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TYPES OF ELECTRICAL CIRCUIT 1.Simple Electrical Circuit a. with one emf b. with more than one emf 2. RC Circuits 3. RLC Circuits
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BASIC COMPONENTS OF A SIMPLE ELECTRICAL CIRCUIT 1.A Source of Electrical Energy/Potential Difference 2.An Electrical Device : resistors (considered as loads) 3.Connecting Wires
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1. Simple Circuits : with only one voltage source Ohm’s Law is sufficient to analyze it!
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2 . Simple Circuits : with 2 or more voltage source Ohm’s Law is not sufficient to analyze it! Kirchoff’s Law will be needed
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SIMPLE CIRCUITS: WITH ONE EMF RESISTORS IN SERIES the current flows through them one after another.
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There is only one path for the current to travel, the current through each of the resistors is the same. Thus I1= I2 = I3 The voltage drops across the resistors must add up to the total voltage supplied by the battery: V total = V1+V2+V3 R equivalent
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  • Fall '19
  • RC circuit, Series and parallel circuits, Voltage drop

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