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Energy Transfers In Everyday Appliances (GCSE Physics)

The following is a GCSE Physics test covering 'Energy Transfers In Everyday Appliances' from the broader topic Electricity. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which equation expresses power loss in a transmission cable due to its resistance (R) and current (I)?
An appliance is rated 800 W. Which of these is the best way to reduce the electrical energy it uses?
Which device protects a flexible mains lead and plug from too much current by breaking the circuit?
What is the likely main reason an LED lamp wastes less energy than an old filament lamp?
Which action will most directly reduce I^2R transmission losses on a cable carrying the same power?
What is the main advantage of stepping up voltage for long-distance electricity transmission?
Why might smart meters and energy-efficient appliances together reduce household energy use?
An energy-efficient appliance has a higher or lower useful energy output fraction compared with a less efficient one?
What is the equation that links power (P), potential difference (V) and current (I)?
Why is it safer to replace a 13 A fuse with one of the same rating rather than a larger rating?
Which of the following correctly gives the unit of electrical charge?