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Current, Resistance And Potential Difference (GCSE Physics)
The following is a GCSE Physics test covering 'Current, Resistance And Potential Difference' from the broader topic Electricity. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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Which factors determine the resistance of a wire (choose the correct set)?
What happens to total resistance when resistors are added in parallel?
How does the resistance of an NTC thermistor change as its temperature increases?
How does the resistance of most metallic conductors change as temperature increases?
Which formula expresses Ohm’s law for a resistor?
Compared with an incandescent filament lamp, why are LEDs more energy efficient as light sources?
A wire carries a current of 3.0 A. Which quantity does this current describe?
A wire carries 5.0 A of current for 12 s. How much charge has flowed?
In the UK mains electricity system what are the standard potential difference and frequency?
What is the primary role of a fuse in a mains electrical plug?
Where should a voltmeter be connected to measure the potential difference across a component?
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