Circuit Basics and Electrical Concepts

Flashcards covering key vocabulary terms related to series circuits, electricity, voltage, and current direction from the lecture notes.

Series Circuit

A circuit where components are connected along a single path, meaning the same electrical current flows through all components. If any component is removed, the circuit becomes open, and current flow stops.

Open Circuit

The state of a series circuit when a component is removed, preventing the flow of electrical current through the entire circuit.

Source Current (Is)

The designated electrical current that flows through all indicator lights (or components) in a series circuit.

Electricity

The flow of electrons through a conductor.

Electromotive Force (EMF) / Voltage

The force that acts on electrons, causing them to flow through a conductor. Higher voltage indicates a greater force.

Volts (V)

The unit of measurement for voltage, named after Alessandro Volta.

Alessandro Volta

An Italian physicist and the inventor of the first chemical battery, after whom the volt is named.

Toggle Switch (in series circuit)

A switch placed in a series circuit that controls all components simultaneously; when open, no current flows, and when closed, current flows to all components.

Water Tank Analogy

An illustration used to explain voltage and current, where water quantity/pressure represents voltage, and water flow represents current.

Electron Flow Direction

A method of representing current direction where current is shown flowing from the negative to the positive terminal, following the actual movement of electrons (rarely used).

Conventional Current Direction

The standard representation of current direction, where current is shown flowing from the positive to the negative terminal, as if carried by positive charges.

What is a conductor in the context of electricity?

A material through which electrons can flow, enabling electrical current.

What is a key characteristic of the electrical current in a series circuit?

The same electrical current flows through all components connected along the single path.