8 Questions
What is the primary driving force that provides most of the power for the industrialized world?
Electricity
What type of current flows in one direction only?
Direct current (DC)
According to the electron flow theory, what is the direction of current flow?
From negative to positive
What is the definition of electronics, as per Merriam-Webster dictionary?
A branch of physics that deals with the emission, behavior, and effects of electrons
What is a necessary condition for current to flow through a circuit?
A complete path must exist in the circuit
What term is used to describe a circuit where there is no longer a closed loop and no current can flow?
Open circuit
What is a characteristic of a short circuit?
It has a low resistance
What is the course code for the electronics course being described?
APEL-116
Study Notes
Introduction to Electronics
- Electricity is the driving force that provides most of the power for the industrialized world.
Types of Electric Sources
- Direct current (DC): unidirectional
- Alternating current (AC): bidirectional
Current Flow Theories
- Electron flow theory: current flows from negative to positive
- Conventional current flow theory: current flows from positive to negative
Definition of Electronics
- A branch of physics that deals with the emission, behavior, and effects of electrons
- Includes electronic devices, components, and equipment
Basic Electric Circuits
- A complete path (closed circuit) must exist for current to flow through a circuit
- If the switch is opened, the circuit becomes open and no current can flow
- A short circuit has very low resistance, allowing current to flow freely
This quiz covers the basics of electricity, including its role as a driving force in powering modern devices. It is part of the Electronics 1 course, APEL-116, at the School of Engineering Technology & Applied Science.
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