resistance
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Lesduur is: 30 minOnderdelen in deze les
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Does the gradient in a I,V-diagram of a filament increase or decrease with the increase of the resistance?
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What formula can you use to calculate the resistance of an electrical component?
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What does Ohm's law say about the relationship between voltage and current?
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What is the special property of wires that are made of constatan?
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The filament of an incandecent bulb does not apply to Ohm's law. Explain what is meant by this sentence.
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Which electrical component has a lower resistance as its temperature rises?
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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.
