Lesson 8 — Phet practical

Practical electricity
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Practical electricity

Slide 1 - Diapositive

This lesson
  • Quiz
  • Simulation practical (using laptops)
  • Working on exercises

Slide 2 - Diapositive

Learning goals
  • You can describe the difference between physical quantities and units.

  • You can Describe how current gets divided in a series circuit and how it gets divided in a parallel circuit.

  • You can think about electricity using simple models.

Slide 3 - Diapositive

What is the unit of charge?
A
Coulomb (c)
B
Ampere (A)
C
Volt (V)
D
Watt (W)

Slide 4 - Quiz

What is the symbol for charge?
A
Q
B
C
C
I
D
e

Slide 5 - Quiz

What is the unit of current?
A
Electrons (e)
B
Ampere (A)
C
Volt (V)
D
Coulomb (C)

Slide 6 - Quiz

What is the symbol for current?
A
Q
B
C
C
I
D
e

Slide 7 - Quiz

Physical quantity
Unit

Slide 8 - Diapositive

Physical quantity
Unit
time 

Slide 9 - Diapositive

Physical quantity
Unit
time 
distance 

Slide 10 - Diapositive

Physical quantity
Unit
time 
distance 
speed

Slide 11 - Diapositive

Physical quantity
Unit
time
seconds 
distance
speed

Slide 12 - Diapositive

Physical quantity
Unit
time 
seconds 
distance 
meters 
speed 

Slide 13 - Diapositive

Physical quantity
Unit
time 
seconds 
distance 
meters 
speed 
meter / second 

Slide 14 - Diapositive

Words
Symbols
Physical quantities
j



j

Units
j


The formula for Electrical current

Slide 15 - Diapositive

Words
Symbols
Physical quantities
j



j

Units
j


Current=timeCharge
The formula for Electrical current

Slide 16 - Diapositive

Words
Symbols
Physical quantities
j



j

Units
j


Current=timeCharge
I=tQ
The formula for Electrical current

Slide 17 - Diapositive

Words
Symbols
Physical quantities
j



j

Units
j


Current=timeCharge
I=tQ
Ampere=secondcoulomb
The formula for Electrical current

Slide 18 - Diapositive

Words
Symbols
Physical quantities
j



j

Units
j


Current=timeCharge
I=tQ
Ampere=secondcoulomb
A=sC
The formula for Electrical current

Slide 19 - Diapositive

An iPhone charger uses a current of 0.08 ampere when connected to a European socket. With this current it takes an iPhone 12, 2 hours and 8 minutes to go from 0% to 100%. How much coulomb flew through the wire in this time?


A
576 C
B
0.224 C
C
614.5 C
D
96000 C

Slide 20 - Quiz

Slide 21 - Diapositive

Current out battery = current component 1 = current component 2 =....
Series circuits
Current out battery = current branch 1 + current branch 2 +....
Parallel circuits

Slide 22 - Diapositive

Homework
Workbook exercises paragraph 9.6 and 9.7.

Hand it in on its learning,
due date Monday the 29th of may at 20:00.

Slide 23 - Diapositive

Learning goals
  • You can describe the difference between physical quantities and units.

  • You can Describe how current gets divided in a series circuit and how it gets divided in a parallel circuit.

  • You can think about electricity using simple models.

Slide 24 - Diapositive