A complete, unbroken ring of connected parts that allows electricity to flow and power things like lights.

is a visual representation of an electrical or electronic circuit

Importance of Circuit Diagrams

• Help electricians and technicians understand circuits easily • Serve as a guide during installation, troubleshooting, and repair • Prevent mistakes and accidents • Used in schools, industries, and residential electrical systems

Bulb, Cell, Battery, Switch, Voltmeter, Ammeter, Resistor, Fuse, Motor, Diode, LED, Inductor

uses symbols to represent electrical and electronic components and shows how they are electrically connected.

shows the actual physical connections and layout of wires and components.

represents a system using blocks, where each block shows a main function or stage of the system.

Cells provide energy to many appliances. Cells come in lots of different shapes and sizes. A battery is the name given two or more connected cells. When we say battery, we often mean cell.

is the flow of electrons around a circuit. The more electrons flowing through the wire per second, the greater the current. The current is measured in amps (A)

It can be placed at any point in a series circuit

Potential difference (voltage)

is the amount of energy transferred by each unit of charge passing between two separate points of a circuit. It is measure in Volts (V).

measure the potential difference. They are connected in parallel to a circuit.

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CIRCUIT DIAGRAM

Term	Definition
circuit	A complete, unbroken ring of connected parts that allows electricity to flow and power things like lights.
Circuit diagram	is a visual representation of an electrical or electronic circuit
Importance of Circuit Diagrams	• Help electricians and technicians understand circuits easily • Serve as a guide during installation, troubleshooting, and repair • Prevent mistakes and accidents • Used in schools, industries, and residential electrical systems
circuit components	Bulb, Cell, Battery, Switch, Voltmeter, Ammeter, Resistor, Fuse, Motor, Diode, LED, Inductor
Schematic diagram	uses symbols to represent electrical and electronic components and shows how they are electrically connected.
Pictorial diagram	shows the actual physical connections and layout of wires and components.
Block diagram	represents a system using blocks, where each block shows a main function or stage of the system.
cells & batteries	Cells provide energy to many appliances. Cells come in lots of different shapes and sizes. A battery is the name given two or more connected cells. When we say battery, we often mean cell.
electrical current	is the flow of electrons around a circuit. The more electrons flowing through the wire per second, the greater the current. The current is measured in amps (A)
ammeter	It can be placed at any point in a series circuit
Potential difference (voltage)	is the amount of energy transferred by each unit of charge passing between two separate points of a circuit. It is measure in Volts (V).
Voltmeters	measure the potential difference. They are connected in parallel to a circuit.

Created by: Teacher Meow

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