30 Questions
What is the main focus of electrical engineering?
Studying and applying electricity, electronics, and electromagnetism
Which subdivision of electrical engineering deals with energy production and distribution?
Power
What does the field of Control Systems in electrical engineering primarily deal with?
Using electrical energy to control physical processes
Which area of electrical engineering focuses on the study and application of devices amplifying electrical signals?
Optoelectronics
What is the main focus of telecommunications in electrical engineering?
Transporting information in electrical form
Which subdivision of electrical engineering is concerned with information-bearing electrical signals?
Signal processing
What is the purpose of a transmission system in an electrical power system?
To transport electricity from the power plant to various destinations
Which of the following is NOT mentioned as a component of an electrical power system?
Bulb
What is the main function of a circuit breaker in an electrical power system?
To interrupt the flow of electricity in case of a fault
Which type of electricity refers to the built-up electric charge on the surface of objects?
Static electricity
How does electricity travel from a power plant to different destinations?
Through thick and insulated transmission lines
In an electrical power system, what role do transformers play?
Changing the voltage of electricity
What are examples of non-conductors or electrical insulators?
Plastic, rubber, glass
How do semiconductor materials differ from conductors and insulators?
They have intermediate electrical conductivity
What is the main purpose of non-conductors or electrical insulators?
To prevent the movement of electrons within the material
Which of the following is a source of energy that works by splitting uranium atoms?
Nuclear power plants
Why are gases not good conductors of electricity?
Due to the distances between atoms
How do coal, gas, and uranium contribute to electricity generation?
By creating steam to drive turbine generators
What is the source of power for hydro-powered plants?
Water
How do wind turbines generate electricity?
By utilizing the kinetic energy of the wind
Where does geothermal power come from?
Heat energy buried beneath the earth's surface
What is the main principle behind solar power generation?
Utilizing the energy from sunlight
How does a hydro-powered plant reuse water after it hits the turbine?
It sends the water back to the river for re-use
Which method uses magma to generate power?
Geothermal power plants
Who is regarded as one of the main discoverers of electromagnetism?
Alexander Graham Bell
Which inventor is known for inventing the telephone?
Alexander Graham Bell
Who shared a Nobel Prize with Guglielmo Marconi for contributions to the development of radiotelegraphy?
Ferdinand Braum
Which scientist's work was replicated several decades later by Ohm?
Henry Cavendish
Who devised a way to make the first hard-drawn copper wire strong enough for use by the telegraph industry?
Thomas Doolittle
Which inventor is known for inventing the electric light bulb?
Thomas A. Edison
Explore the basics of electric circuits and the electrical power system, including components like generators, motors, transformers, and circuit breakers. Learn about electricity as energy and its transmission for various purposes like lighting.
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