# 9.1 Parallel Circuits

20 April 2023
Unit 9.1 Parallel Circuits
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Slide 1: Tekstslide
PhysicsSecondary EducationAge 12,13

In deze les zitten 23 slides, met interactieve quizzen, tekstslides en 1 video.

## Onderdelen in deze les

20 April 2023
Unit 9.1 Parallel Circuits

#### Slide 1 -Tekstslide

Content objectives
• Explain current divides in a parallel circuit
• Calculate missing current values in parallel circuits
• Measure the current in parallel circuits
•  Describe the advantages of parallel circuits over series circuits

#### Slide 2 -Tekstslide

• What appliances at home use electricity to work?
Purpose of this lesson

#### Slide 4 -Tekstslide

• What do you know about an "electric circuit "?
What I Know:

Activity 1

#### Slide 7 -Tekstslide

20 April 2023
Unit 9.1 Parallel Circuits

#### Slide 8 -Tekstslide

Study the diagrams below:
circuit diagram A
circuit diagram B

#### Slide 9 -Tekstslide

Which diagram shows a SERIES circuit?
A
circuit diagram A
B
circuit diagram B

#### Slide 10 -Quizvraag

Study the diagrams below:
circuit diagram A
circuit diagram B

#### Slide 11 -Tekstslide

Series Circuit
• There is only ONE path for the current to flow.
• Will the bulb light up if the switch is open?

#### Slide 12 -Tekstslide

Will the bulb light up if the switch is open?
YES
NO

#### Slide 13 -Poll

Parallel Circuit
• There is more than one path for the current to flow.
• Will both bulbs still light up if the wire is broken, as shown in the diagram?

#### Slide 14 -Tekstslide

Will both bulbs still light up if the wire is broken, as shown in the diagram?
YES
NO

#### Slide 15 -Poll

Ammeters
• What do ammeters measure in a circuit?

#### Slide 16 -Tekstslide

Total Electric Current
• What is the value of A1 if A4 is 5 amperes?
• What is the value of A3 if A2 is 3 amperes?

#### Slide 17 -Tekstslide

State the rule about the total electric current in a parallel circuit. "The current through the cell is equal to the ________ of the current in a parallel circuit."

#### Slide 18 -Open vraag

Calculating current
• What is the value of x in the circuit diagram to the right?

Activity 2
timer
5:00

#### Slide 20 -Tekstslide

Plenary (Sharing)

#### Slide 21 -Tekstslide

• Describe the diagram.
• Share how you calculated the current.
Activity 3

#### Slide 22 -Tekstslide

What's next?
End of Unit 6 Test on Tuesday, 25th of April 2023