1 ee 2303 intro to electrical engineering ee 2303 intro to electrical engineering orientation
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EE 2303 EE 2303 Intro to Electrical EngineeringIntro to Electrical Engineering
Orientation
www.ece.mtu.edu/ee/faculty/gearcher/EElabs
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PeoplePeople
• Glen Archer – Lab Coordinator ([email protected])• Grant Soehnel (
[email protected])• Senjuti Basu (sbasu@...)• Zhou Wang (wzhou@...)• Kumar Vanga (kumarvl@...)
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OverviewOverview
Safety PrecautionsTool kit Course Overview & ExpectationsBrief Intro to Lab Experiment
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Course Overview & ExpectationsCourse Overview & Expectations
AttendanceBook reviewPresentationsPre-labsQuizzesPractical Exam
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Lab ReportsLab Reports
http://www.ece.mtu.edu/labs/EElabs/Lab_Policies.htm
Everything turned in single spaced and typed Due at next lab unless announced otherwise 10% reduction each day lab is late EVERYTHING must be turned in by Friday of
week 14
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Report FormatReport Format
Cover SheetObjective – short paragraphProcedureDiscussionConclusionAppendix (not always needed)Try to stick to formal writing in
everything but the conclusion
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EE 2303EE 2303
Voltage and Current measurements
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VocabularyVocabulary
Electric Circuit VoltageCurrentParallelSeries
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VoltageVoltage
Potential Difference between two points
Always has polarity (+/-)
Measure voltage in parallel
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Current: Amperes (A)Current: Amperes (A)
The flow of electrical charge through a conductor or circuit element
Current flow requires a continuous path
Measure current in SERIES
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Electric circuitsElectric circuits
Current flow requires a continuous path Voltage can appear across an open circuit
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Series CircuitsSeries Circuits
Current in Series circuits is the same
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Parallel CircuitsParallel Circuits
Voltage in parallel circuits is the same Va = Vb = Vc
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ResistorsResistors Carbon Wire wound Precision Power Rating
4-stripe resistor
A B C D
5-stripe resistor
A B C D E
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Color Digit (A) (B) Multiplier C Tolerance (D)Black 0 1 Bad
Brown 1 10 1% Boy
Red 2 100 2% R
Orange 3 1000 3% O
Yellow 4 10K 4% Y
Green 5 100K Great
Blue 6 1 M Flame Proof Britain
Violet 7 10 M Very
Grey 8 Good
White 9 Wife
Gold 0.1 5% Go
Silver 0.01 10% See
None 20% Now
4-stripe resistor
A B C D
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BreadboardsBreadboards Power and Ground Components Rows and Columns
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Lodestar 8102 Power SupplyLodestar 8102 Power Supply
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Lodestar 8102 ControlsLodestar 8102 Controls
ON/OFF Mode Selector
Volt – Fine and Coarse
Current limiter
Output Terminals
Meters
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Reading AssignmentReading Assignment
Read ABCs of DMMs
– We’ll have a quiz on this material next week
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SummarySummary Lab Safety Voltage Current Electric Circuits Resistors Color code Breadboards Circuit construction techniques Power Supply: 8102 Lodestar DC Power
Supply
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Where to Get More Information??Where to Get More Information??
www.ece.mtu.edu/labs