Basic Electronics presentation v2.ppt
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This document provides an overview of the topics to be covered in a basic electronics course at the University of Pennsylvania, including electricity, voltage, current, resistance, Ohm's law, capacitors, inductors, semiconductors, mechanical components, and digital electronics. It defines key electrical concepts such as atoms, conductors, insulators, charge, and batteries. It also explains voltage, current, resistance, and Ohm's law in more detail through diagrams and examples. Capacitors and inductors are introduced along with their units of measurement. Hands-on exercises are outlined to help students apply and measure these fundamental electrical concepts.
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and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
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Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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www.StokeNewingtonHistory.com
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Basic Electronics presentation v2.ppt
- 1. University of Pennsylvania Basic Electronics Things to be covered: • What is electricity • Voltage, Current, Resistance • Ohm’s Law • Capacitors, Inductors • Semiconductors • Mechanical Components • Digital Electronics
- 2. University of Pennsylvania What is Electricity • Everything is made of atoms • There are 118 elements, an atom is a single part of an element • Atom consists of electrons, protons, and neutrons
- 3. University of Pennsylvania • Electrons (- charge) are attracted to protons (+ charge), this holds the atom together • Some materials have strong attraction and refuse to loss electrons, these are called insulators (air, glass, rubber, most plastics) • Some materials have weak attractions and allow electrons to be lost, these are called conductors (copper, silver, gold, aluminum) • Electrons can be made to move from one atom to another, this is called a current of electricity.
- 4. University of Pennsylvania • Surplus of electrons is called a negative charge (-). A shortage of electrons is called a positive charge (+). • A battery provides a surplus of electrons by chemical reaction. • By connecting a conductor from the positive terminal to negative terminal electrons will flow.
- 5. University of Pennsylvania Voltage • A battery positive terminal (+) and a negative terminal (-). The difference in charge between each terminal is the potential energy the battery can provide. This is labeled in units of volts. Water Analogy
- 6. University of Pennsylvania Voltage Sources:
- 7. University of Pennsylvania • Voltage is like differential pressure, always measure between two points. • Measure voltage between two points or across a component in a circuit. • When measuring DC voltage make sure polarity of meter is correct, positive (+) red, negative (-) black.
- 9. University of Pennsylvania Exercise • Measure DC voltage from power supply using multimeter • Measure DC voltage from power supply using oscilloscope • Measure DC voltage from battery using multimeter • Measure AC voltage from wall outlet using a multimeter • Measure AC voltage from wall outlet using an oscilloscope Effective or Root Mean Square Voltage (Measured with multimeter) ERMS=0.707xEA E
- 10. University of Pennsylvania Current • Uniform flow of electrons thru a circuit is called current. WILL USE CONVENTIONAL FLOW NOTATION ON ALL SCHEMATICS
- 11. University of Pennsylvania • To measure current, must break circuit and install meter in line. • Measurement is imperfect because of voltage drop created by meter.
- 12. University of Pennsylvania Resistance • All materials have a resistance that is dependent on cross- sectional area, material type and temperature. • A resistor dissipates power in the form of heat
- 13. University of Pennsylvania Various resistors types
- 14. University of Pennsylvania When measuring resistance, remove component from the circuit.
- 15. University of Pennsylvania Resistor Color Code
- 16. University of Pennsylvania • Determine the resistance of various resistors of unknown value using the resistor color code • Using the multimeter, compare the specified resistance and measured resistance • Using the multimeter to examine the characteristics of various potentiometers Exercise
- 17. University of Pennsylvania Ohm’s Law
- 18. University of Pennsylvania Prototyping Board Example of how components are Inserted in the protoboard
- 19. University of Pennsylvania Exercise • Calculate the total current and voltage drop across each resistor shown in Figure 1 • Build the circuit in Figure 1 on the prototype board • Measure the total circuit current and voltage drops across each resistor and compare the calculated and measured values
- 20. University of Pennsylvania Capacitance Battery Capacitor Unit = Farad Pico Farad - pF = 10-12F Micro Farad - uF = 10-6F A capacitor is used to store charge for a short amount of time
- 22. University of Pennsylvania Capacitor Charging
- 23. University of Pennsylvania Capacitor Discharge