resistance

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Slide 1: Slide

NatuurkundeMiddelbare schoolvwoLeerjaar 3

This lesson contains 19 slides, with interactive quizzes and text slides.

Lesson duration is: 30 min

Items in this lesson

Slide 1 - Slide

Slide 2 - Slide

Slide 3 - Slide

Slide 4 - Slide

Slide 5 - Slide

Slide 6 - Slide

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Slide 8 - Slide

Does the gradient in a I,V-diagram of a filament increase or decrease with the increase of the resistance?

Slide 9 - Open question

Slide 10 - Slide

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Slide 12 - Slide

What formula can you use to calculate the resistance of an electrical component?

Slide 13 - Open question

What does Ohm's law say about the relationship between voltage and current?

Slide 14 - Open question

What is the special property of wires that are made of constatan?

Slide 15 - Open question

The filament of an incandecent bulb does not apply to Ohm's law. Explain what is meant by this sentence.

Slide 16 - Open question

Which electrical component has a lower resistance as its temperature rises?

Slide 17 - Open question

A mixer, a light and a kettle are connected to the mains. (230 V)
The current through the devices are: 1.4 A (mixer) , 48 mA (light) and (kettle)
Calculate the resistance of each of the devices.

Slide 18 - Open question

Text the excercises of the study planner

page 229 exc 14,16-21

(for fun:22+23 =lie detector)

Slide 19 - Slide