Electrical Symbols

Electrical Symbols

and Schematic Diagrams

TYPES OF CIRCUIT

Circuit is the flow of current on the electrical devices.

Review

Multiple Choice

In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?

• TRUE
• FALSE

Multiple Choice

What kind of circuit is this?

• Series
• Consecutive
• Parallel
• Training

Multiple Choice

Which circuit has two or more paths?

• Simple Circuit

• Series Circuit

• Parallel Circuit

Multiple Choice

What kind of circuit is this?

• Series
• Consecutive
• Parallel
• Training

Let's discuss the Schematic Diagram

Open Ended

This is called a BLUEPRINT. What is the purpose of these drawings?

There are two simple ways to show electrical diagrams inside the house.

Parallel Circuit

Open Ended

What is the purpose of using ELECTRICAL SYMBOLS instead of a PICTORIAL DRAWINGS?

These are the most common used Electrical Symbols

BATTERY

LAMP

BULB

SWITCH (open)

SWITCH (Closed)

RESISTOR

RESISTOR

VOLTMETER

AMMETER

Let's Review

Multiple Choice

What components are in this schematic diagram?

• battery, switch, bulb, wire

• switch, switch, bulb

• battery, switch, bulb, motor

Multiple Choice

Which schematic circuit matches this circuit picture?

Multiple Choice

Which schematic circuit matches this circuit picture?

Multiple Choice

This symbol represents a .........

• Resistor

• Battery

• Twix

• buzzer

Multiple Choice

This symbol represents a .............

• Anode

• Alternator

• Amplifier

• Ammeter

Multiple Choice

This symbol represents a ..............

• valve

• voltmeter

• Voltage

• Vacuum

Multiple Choice

What is the name of this component?

• fuse

• cell

• wire

• bell

Multiple Choice

What is the name of this component?

• fuse

• cell

• bell

• lamp

Multiple Choice

What is the name of this component?

• fuse

• cell

• motor

• lamp

Multiple Choice

What is this symbol for?

• light bulb

• switch

• battery

• resistor

Multiple Choice

• Switch (Closed)
• Switch (Open)
• Bulb
• Chassis Ground

Multiple Choice

• Battery
• Fuse
• Diode
• Switch (open)