OCR Gateway GCSE Physics A topic P3 Electricity overview quiz quiz
10questions. Pick an answer and you'll see why right away.
When a polythene rod is rubbed with a cloth and becomes negatively charged, what has happened?
What is true of the current in a series circuit?
Why are household devices wired in parallel?
How is electric charge calculated?
What is potential difference?
For a fixed resistor at constant temperature, what does the current do when the potential difference is doubled?
What is the shape of the I-V graph for a fixed resistor at constant temperature?
How does the resistance of a thermistor change as it gets hotter?
Which equation gives electrical power from voltage and current?
An electric fire is rated at 2 kilowatts and runs for 3 hours. How much energy does it use?