Introduction to Electrical Engineering Quiz

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What happens to an atom when it loses electrons?

It remains neutral.

It becomes negatively charged.

It becomes a conductor.

It becomes positively charged. (correct)

Which particle is considered neutral in an atom?

Proton

Electron

Neutron (correct)

Positron

What is the charge of a single proton?

1.602 x 10^-19 Coulomb (correct)

-1.602 x 10^-19 Coulomb

0 Coulomb

1 Coulomb

How many electrons are equivalent to 1 Coulomb of charge?

6.24 x 10^18 electrons Signup and view all the answers

If an atom gains additional electrons, what charge does it acquire?

Negative charge Signup and view all the answers

Which of the following statements about electric charge is correct?

Charge is a property of particles like protons and electrons. Signup and view all the answers

Which of these options describes the effect of removing an electron from an atom?

It becomes an ion with a positive charge. Signup and view all the answers

What nature of an electron is specified according to its charge?

Negative Signup and view all the answers

What is the relationship between charge and electric current?

Current is the time rate of change of charge. Signup and view all the answers

How many electrons correspond to a charge of 1 coulomb?

6.24 x 10^18 Signup and view all the answers

What is electromotive force (e.m.f) measured in?

Volts Signup and view all the answers

What happens when two similarly charged particles are brought close together?

They repel each other. Signup and view all the answers

If an element has a positive charge of one coulomb, how many electrons does it lack?

6.24 x 10^18 Signup and view all the answers

Which of the following statements about electric potential is true?

Electric potential indicates the ability to move charges. Signup and view all the answers

What is the correct unit for measuring potential difference (voltage)?

Volts Signup and view all the answers

When a conducting wire is connected to a battery, in which direction do negative charges move?

Towards the positive terminal. Signup and view all the answers

Study Notes

Course Information

Course Code: 23EEE104
Course Title: Introduction to Electrical and Electronics Engineering
Credits: 3 (L-T-P-C: 3-0-0-3)

Course Objectives

Provide fundamental knowledge of electrical quantities.
Equip students with working knowledge for analyzing DC and AC circuits.
Enable understanding of diode, transistor, thyristor, and operational amplifier characteristics and applications.

Course Outcomes

CO1: Understanding basic electric and magnetic circuits.
CO2: Analyzing DC and AC circuits.
CO3: Grasping basic principles of PN junctions and transistors.
CO4: Analyzing basic transistor and op-amp circuits.

Program Outcomes (POs)

Engineering knowledge, problem analysis, design/development of solutions, investigations of complex problems, modern tool usage.
The engineer, society, and environment, ethical principles, teamwork and communication skills.
Project management, finance, life-long learning.

Syllabus

Unit 1: Introduction to electrical engineering, current and voltage sources, resistance, inductance, capacitance, Ohm's law, Kirchhoff's law. Series and parallel connections of R, L, C components, network analysis, generation of sinusoidal voltage. Magnetic circuits, induction. Three-phase systems, and power grids.
Unit 2: PN Junction diodes, diode characteristics, approximations (clippers and clampers), rectifiers (half and full-wave). Zener diodes, regulators, characteristics, optoelectronic devices, bipolar junction transistor (BJT) characteristics, and transistor configurations.
Unit 3: Field-effect transistors (FET) characteristics, thyristors (operation and characteristics), diacs, triacs, thyristor-based power control, integrated circuits (IC) 555 timer, multivibrators, operational amplifiers (op-amps) inverting and non-inverting applications, oscillators, and instrumentation amplifiers.

Textbooks

Specific textbooks are listed.

Evaluation Pattern

Internal: Mid-term exam (30%), continuous evaluation (20%). Components of continuous evaluation include class tests (2 nos. 10 marks each) and tutorials (2 nos., 10 marks each).
External: End-semester exam (50%).

Lecture 1: Basic Concepts

Structure of an atom:
- Atoms consist of protons, neutrons, and electrons. Protons and neutrons reside in the nucleus, while electrons orbit the nucleus.
Charge concept:
- Electrons are loosely bound to the nucleus.
- Removing electrons creates positive charge; adding excess electrons creates negative charge.
- Charge on a proton = +1.602 x 10^-19 C. Charge on an electron = -1.602 x 10^-19 C.
Electric charge principle:
- Charge is quantized: Only multiples of the fundamental charge can exist. (1.602 x 10^-19 Coulomb)
- Charge is conserved: Charge cannot be created or destroyed, only transferred.

Electric current and potential

Electric current: The flow of charge through a conductor. Measured in amperes (A).
Electric potential (voltage): The ability of a charged particle to do work. Measured in volts.
Potential difference: Difference in electric potential between two points.
Current flows from higher electric potential to lower electric potential.

Electrical Power and Energy

Electric power: Rate at which electrical energy is consumed or supplied. P=VI
Electric energy: Total energy used or supplied over a period of time. Energy= Pxt
SI unit of energy is the joule (J); larger units for energy include kilowatt-hour (kWh).

Additional Information

Example questions and problems related to calculating electric charge and current are provided.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Description

Test your understanding of electrical quantities and circuit analysis with this quiz focused on the fundamentals of DC and AC circuits, diode and transistor characteristics. This quiz will challenge your knowledge of the basic principles and applications you need for a career in electrical and electronics engineering.