Electrical Engineering Overview

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Questions and Answers

[Blank] is the study and application of electricity, electronics, and electromagnetism, encompassing the design, development, and maintenance of electrical systems and devices.

Electrical Engineering

Aspiring electrical engineers often demonstrate their understanding of fundamental concepts by passing the ______.

Fundamentals of Engineering Exam

To gain legal authorization to offer electrical engineering services to the public, one must obtain a ______.

Professional Engineer License

Electrical engineers are expected to adhere to a code of conduct, such as the ______, ensuring ethical practices in their field.

<p>National Society of Professional Engineers Code of Ethics</p> Signup and view all the answers

Adhering to safety standards and regulations in the workplace, such as those set by the ______, is crucial for electrical engineers.

<p>Occupational Safety and Health Administration</p> Signup and view all the answers

Compliance with industry standards, like those established by the ______, ensures the quality and safety of electrical products and systems.

<p>American National Standards Institute</p> Signup and view all the answers

A typical pathway to becoming an electrical engineer involves obtaining a ______ in Electrical Engineering.

<p>Bachelor’s degree (BSEE)</p> Signup and view all the answers

After gaining experience in the field, electrical engineers can advance to positions with salaries of approximately $______.

<p>145,000</p> Signup and view all the answers

The ______ is an instrument used by electrical engineers to measure voltage, current, and resistance in circuits.

<p>Multimeter</p> Signup and view all the answers

To analyze voltage variations over time, electrical engineers rely on a device called an ______.

<p>Oscilloscope</p> Signup and view all the answers

A ______ is a passive two-terminal electrical component that implements electrical resistance as a circuit element.

<p>Resistor</p> Signup and view all the answers

A ______ stores electric charge through conductors and provides electrical capacitance as a component.

<p>Capacitor</p> Signup and view all the answers

An ______ stores energy through magnetic fields when electric current flows through it.

<p>Inductor</p> Signup and view all the answers

In ______, the flow of electrons changes direction periodically, typically in a sinusoidal pattern.

<p>AC Current</p> Signup and view all the answers

In contrast to AC current, ______ involves the flow of electrons in a single direction.

<p>DC Current</p> Signup and view all the answers

[Blank] batteries are commonly used in household devices such as AA, AAA, C, D, and 9V batteries.

<p>Alkaline</p> Signup and view all the answers

[Blank] batteries are often found in small devices such as watches, cameras, and phones due to their high energy density.

<p>Lithium</p> Signup and view all the answers

[Blank] batteries are commonly used in commercial and industrial applications such as cars and machinery.

<p>Lead-Acid</p> Signup and view all the answers

According to Ohm’s Law, Voltage equals Current multiplied by ______ (V = IR).

<p>Resistance</p> Signup and view all the answers

The power in a circuit is calculated by multiplying Voltage by ______ (P = VI).

<p>Current</p> Signup and view all the answers

Flashcards

Electrical Engineering

The study and application of electricity, electronics, and electromagnetism, including the design, development, and maintenance of electrical systems and devices.

Fundamentals of Engineering Exam

A professional examination that assesses competence in fundamental engineering principles.

Professional Engineer License

A license granting permission to practice engineering, demonstrating professional competence and ethical standards.

National Society of Professional Engineers Code of Ethics

Outlines the principles and responsibilities that guide the ethical conduct of engineers.

Signup and view all the flashcards

Occupational Safety and Health Administration (OSHA)

A U.S. government agency ensuring safe and healthful working conditions by setting and enforcing standards and providing training, outreach, education and assistance.

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American National Standards Institute (ANSI)

Organization that develops and publishes a wide variety of consensus-based standards.

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Multimeter

An instrument that measures voltage, current, and resistance in electrical circuits.

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Oscilloscope

An electronic instrument that visually displays voltage signals as waveforms over time.

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Resistor

An electrical component that opposes the flow of current in a circuit.

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Capacitor

An electronic component that stores electrical energy in an electric field.

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Inductor

An electronic component that stores energy in a magnetic field when electric current flows through it.

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AC Current

Electric current in which the flow of electric charge periodically reverses direction.

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DC Current

Electric current that flows in one direction only.

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Alkaline Batteries

Household batteries like AA, AAA, C, D, and 9V.

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Lithium Batteries

Compact and lightweight batteries often used in small electronic devices.

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Lead-Acid Batteries

Heavy-duty batteries used in vehicles and industrial applications.

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Ohm's Law

V = IR. Voltage is equal to current multiplied by resistance.

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Power Formula

P = VI. Power is equal to voltage multiplied by current.

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Short Curcuit

Excessive dangerous current due to low resistance path.

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Ground Fault

Unintended electrical current flowing to ground.

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Study Notes

  • Electrical engineering involves the study and application of electricity, electronics, and electromagnetism.
  • It includes the design, development, and maintenance of electrical systems and devices.

Key Organizations & Concepts

  • Fundamentals of Engineering Exam is a key step in the field.
  • Professional Engineer License is a recognized certification in electrical engineering
  • National Society of Professional Engineers has a code of ethics for practitioners.
  • Occupational Safety and Health Administration (OSHA) ensures workplace safety.
  • American National Standards Institute (ANSI) sets standards for products, systems, and procedures.

Electrical Engineer Career Path

  • Requires electrical engineering experience and education.
  • A Bachelor’s degree (BSEE) or higher in Electrical Engineering is a typical requirement.
  • Certifications, such as passing the Fundamentals of Engineering Exam, are beneficial.
  • Entry-level electrical engineers can expect to make around $85,000.
  • Senior or specialized positions can earn around $145,000.

Common Electrical Engineering Tools & Components

  • Multimeters measure voltage, current, and resistance.
  • Oscilloscopes measure voltage over time.
  • Resistors create resistance in a circuit.
  • Capacitors store electric charge using conductors.
  • Inductors store energy through magnetic fields.
  • AC (Alternating Current) involves electron flow that can reverse direction.
  • DC (Direct Current) involves electron flow in one direction.

Battery Types

  • Alkaline batteries are for household use (AA, AAA, C, D, 9V).
  • Lithium batteries are common in small devices like watches, cameras, and phones.
  • Lead-acid batteries are for commercial and industrial use (cars, machines).

Key Electrical Engineering Formulas

  • Ohm’s Law: V = IR (Voltage = Current x Resistance)
  • Power Formula: P = VI (Power = Voltage x Current)

Historical Events

  • 600 BCE: Greeks observed static electricity.
  • 1600-1800: Electricity was defined and discovered in lightning.
  • 1800-1897: The first battery and light-bulb were created.
  • 1897: The electron was discovered by J.J. Thompson.
  • 1900+: Electricity was utilized in communications, leading to the internet.

Important Figures

  • Benjamin Franklin conducted the kite experiment related to electricity.
  • Alessandro Volta invented the first battery.
  • Michael Faraday discovered induction.
  • Nikola Tesla promoted AC power.
  • William Shockley invented the transistor.

Electrical Faults

  • Short Circuit: Occurs when there is excessive current on a low resistance path.
  • Ground Fault: A current goes into a grounded item instead of following the intended circuit.

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