3T circuits 5.1

• Natuurkunde
• Middelbare school
• vwo
• Leerjaar 3

What's in the chapter?

§5.1 - Charge and voltage

§5.2 - Resistance

§5.3 - Connecting resistors

§5.4 - Automatic circuits

What about today?

1. Quick explanation about charge

2. Some demonstrations

3. Presentations with explanations

4. What is electrical current?

5. Time to work on exercises / questions about homework

Learning objectives

• You can explain what electrical charge is and use this to explain phenomena caused by electrical charge.
• You can explain the relation between charge and current. 

What do you know about 'charge'?

The definition

But what does it do?

How can we make it visible?

1. Van de Graaff generator - plates

2. Van de Graaff generator - hair

3. Balloon sticking

4. Wimhurst machine

5. Water bending

6. Coin rolling

How can we make it visible?

1. Van de Graaff generator - plates

2. Van de Graaff generator - hair

3. Balloon sticking

4. Wimhurst machine

5. Water bending

6. Coin rolling

1 & 2

3

4

5

6

Some guidelines

1 & 2

3

4

5

6

Discharging

Discharging

How do we call this flow of electrons?

Charge & Current

Charge & Current

I=​t​​Q​​

Atoms & elementary charge

Work on the exercises