resistance
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Does the gradient in a I,V-diagram of a filament increase or decrease with the increase of the resistance?
Slide 9 - Question ouverte
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What formula can you use to calculate the resistance of an electrical component?
Slide 13 - Question ouverte
What does Ohm's law say about the relationship between voltage and current?
Slide 14 - Question ouverte
What is the special property of wires that are made of constatan?
Slide 15 - Question ouverte
The filament of an incandecent bulb does not apply to Ohm's law. Explain what is meant by this sentence.
Slide 16 - Question ouverte
Which electrical component has a lower resistance as its temperature rises?
Slide 17 - Question ouverte
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.
The current through the devices are: 1.4 A (mixer) , 48 mA (light) and (kettle)
Calculate the resistance of each of the devices.
