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Introduction to Voltage and Current Measurements in ECE

This lab session focuses on foundational concepts in electrical and computer engineering, specifically relating to voltage and current measurements. Under the guidance of Glen Archer, Lab Coordinator, students will explore electrical circuits, resistors, and color coding, utilizing tools such as the Lodestar 8102 DC power supply and NI 4060 multimeter. Students will learn key principles including current flow in series and parallel circuits, circuit construction techniques, and safety practices in the lab. Resources for further learning are provided.

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Introduction to Voltage and Current Measurements in ECE

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  1. EE 2303 Intro to ECE Voltage and Current Measurements

  2. Introduction Glen Archer – Lab Coordinator 487-2789 (Office) Leave msg with secretary 482-4957 (Home) Between 1000 - 2100 gearcher@mtu.edu www.ee.mtu.edu/labs

  3. Teaching Assistants • Anand Ambardar • David Pelster

  4. Agenda • Lab Safety (repeat) • Voltage • Current • Electric Circuits • Resistors • Color code

  5. Breadboards • Circuit construction techniques • Power Supply: 8102 Lodestar DC Power Supply • Virtual Instruments: Multimeter NI 4060

  6. Vocabulary • Electric Circuit • Voltage • Current • Parallel • Series

  7. Voltage • Potential Difference between two points • Always has polarity (+/-) • Measure voltage in parallel

  8. Current: Amperes (A) • The flow of electrical charge through a conductor or circuit element • Current flow requires a continuous path • Measure current in SERIES • Direction is important

  9. Electric circuits • Current flow requires a continuous path • Voltage can appear across an open circuit

  10. Series Circuits • Current in Series circuits is the same

  11. Parallel Circuits • Voltage in parallel circuits is the same • Va = Vb = Vc

  12. Resistors • Carbon • Wire wound • Precision • Power Rating

  13. Breadboards • Power and Ground • Components • Rows and Columns

  14. Lodestar 8102 Power Supply • Dual 30 V 3 A • Independent • Series • Parallel • Dual ended (+/-)

  15. Lodestar 8102 Controls ON/OFF Mode Selector Volt – Fine and Coarse Current limiter Output Terminals Meters

  16. Lodestar 8102 Operation • Series • Parallel • Independent • Dual Ended • GROUND

  17. Multimeter Control Panel • Volts AC & DC • Current AC & DC • Resistance

  18. Summary • Lab Safety (repeat) • Voltage • Current • Electric Circuits • Resistors • Color code • Breadboards • Circuit construction techniques • Power Supply: 8102 Lodestar DC Power Supply • Virtual Instruments: Multimeter NI 4060

  19. Where to Get More Information • www.astro.wisc.edu/~mukluk/resistor.html • www.ee.mtu/labs/EE2303/references

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