Lesson 8 — Phet practical

• Nask
• Middelbare school
• havo, vwo
• Leerjaar 2

Practical electricity

This lesson

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

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.

What is the unit of charge?

1. Coulomb (c)
2. Ampere (A)
3. Volt (V)
4. Watt (W)

What is the symbol for charge?

1. Q
2. C
3. I
4. e

What is the unit of current?

1. Electrons (e)
2. Ampere (A)
3. Volt (V)
4. Coulomb (C)

What is the symbol for current?

1. Q
2. C
3. I
4. e

Physical quantity

Unit

Physical quantity	Unit
time

Physical quantity	Unit
time
distance

Physical quantity	Unit
time
distance
speed

Physical quantity	Unit
time	seconds
distance
speed

Physical quantity	Unit
time	seconds
distance	meters
speed

Physical quantity	Unit
time	seconds
distance	meters
speed	meter / second

	Words	Symbols
Physical quantities	j	j
Units	j

The formula for Electrical current

	Words	Symbols
Physical quantities	j	j
Units	j

Current=​time​​Charge​​

The formula for Electrical current

	Words	Symbols
Physical quantities	j	j
Units	j

Current=​time​​Charge​​

I=​t​​Q​​

The formula for Electrical current

	Words	Symbols
Physical quantities	j	j
Units	j

Current=​time​​Charge​​

I=​t​​Q​​

Ampere=​second​​coulomb​​

The formula for Electrical current

	Words	Symbols
Physical quantities	j	j
Units	j

Current=​time​​Charge​​

I=​t​​Q​​

Ampere=​second​​coulomb​​

A=​s​​C​​

The formula for Electrical current

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?

1. 576 C
2. 0.224 C
3. 614.5 C
4. 96000 C

Current out battery = current component 1 = current component 2 =....

Series circuits

Current out battery = current branch 1 + current branch 2 +....

Parallel circuits

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.

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.