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Lecture09 - Chapter 3

# Lecture09 - Chapter 3 - EE216 C ircuit Analysis I Le cture...

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1 EE216 Circuit Analysis I Lecture # 9 – Chapter 3

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2 Resistor Tolerances in Voltage Divider Circuits Given resistor variation is +/- 10%, find the max and min valueof V 0 in the circuit:
3 Resistor Loading in Voltage Divider Circuits Given load resistanceR L is applied, what is thevalue of V 0 in the circuit: eq eq o R R R V V + = 1 L L eq R R R R R + = 2 2 2 2 1 2 )] / ( 1 [ R R R R R V V L o + + =

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4 Measuring Voltage & Current Voltages and Current in an electronic circuit aremeasured with thehelp of Voltmeters and Ammeters The voltmeter has to beconnected in parallel with the circuit component across which the voltageis to bemeasured The Ammeter has to beconnected in series with the circuit component through which theflow of current is to be measured Ideal meter characteristics: ammeter presents zero resistance voltmeter presents infinite resistance
5 Ideal Ammeter and Voltmeter Non-ideal: 10% Rule

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6 Voltmeters & Ammeters Voltmeters and Ammeters areof two types, Digital and Analog
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