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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

A 10 A current flows through a toaster on a 230 V supply. What is the power of the toaster?
An electric motor driving a fan converts electrical energy into kinetic energy of rotating blades and into heat. Which action will reduce the heat wasted?
What is the equation that links power (P), potential difference (V) and current (I)?
What is the likely main reason an LED lamp wastes less energy than an old filament lamp?
If a device has power rating P and is used for time t each day, which quantity affects the daily energy cost from the meter?
Which equation expresses power loss in a transmission cable due to its resistance (R) and current (I)?
Why does putting insulation around a hot water cylinder reduce energy wasted?
Which statement describes why renewable electricity sources can help reduce carbon dioxide emissions compared with burning fossil fuels?
Which equation gives the energy (E) supplied by an appliance in terms of its power (P) and the time (t) it is on?
Why is it safer to replace a 13 A fuse with one of the same rating rather than a larger rating?
What is the best description of what a watt (W) measures?