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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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What happens to total resistance when resistors are added in series?
Which equation links electrical power (P), current (I) and potential difference (V)?
Where should an ammeter be connected to measure current through a component?
How does the resistance of an NTC thermistor change as its temperature increases?
A 10 O resistor has a current of 2.0 A through it. What is the electrical power dissipated by this resistor?
What is the SI unit of electric charge?
Which of these is the unit of potential difference (voltage)?
A wire carries 5.0 A of current for 12 s. How much charge has flowed?
In a parallel circuit containing several branches, what is true about the potential difference (voltage)?
Compared with an incandescent filament lamp, why are LEDs more energy efficient as light sources?
Why does increasing the transmission voltage for power lines reduce energy losses in the cables?
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