# L07 - What’s the other stuff in these meters Ammeter is a...

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EE 201 Lecture 7 Finishing Chapter 3 Sumit Chaudhary

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Reading and HW Read chapter 3 HW – Problem 3.17 from the text. Due coming Monday (Sept 15) New Mallard HW – due at 10 am, Friday
Resistors in Series and Parallel R eq = R 1 + R 2 +…. .R 7 1/R eq = 1/R 1 + 1/R 2 +…. .1/R 4 G eq = G 1 + G 2 +…. .G 4

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Resistors in Series Divide Voltage: Voltage Divider
Resisitors in Parallel Divide Current Current Divider

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Voltmeter is a very large resistor : Effect on circuit: almost nothing

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Unformatted text preview: What’s the other stuff in these meters Ammeter is a very small resistor Effect of Ammeter: Almost nothing Voltmeters and Ammeters Know where to place ? Wheatstone Bridge (precisely measures resistances) Identifying Series and Parallel Resistances • Some circuits must be analyzed. They are not amenable to simple inspection Y-Delta Conversion Delta-Y and Y-Delta Coversion Formulas...
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L07 - What’s the other stuff in these meters Ammeter is a...

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