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Electric Motors (ht Only) (GCSE Physics)

The following is a GCSE Physics test covering 'Electric Motors (ht Only)' from the broader topic Magnetism And Electromagnetism. 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 small DC toy motor is rated 1.5 V. It runs from a 3.0 V supply but overheats quickly. Which is the best explanation?
Which of the following is Fleming’s left-hand rule used to predict?
A student measures the supply to a small DC motor and finds V = 6.0 V and I = 0.50 A. What is the electrical power input to the motor?
What is “back EMF” in the context of a DC motor?
Which is a possible effect of increasing the supply voltage to a DC motor above its rated value?
A motor has power input P_in and mechanical output power P_out. Which expression defines efficiency?
A wire carrying a current lies at right angles inside a uniform magnetic field. Which expression gives the magnitude of the force on the wire?
A rectangular coil in a uniform magnetic field experiences a turning effect (torque). Which change will increase the torque produced?
What is the main reason a motor gets hot during operation?
Which configuration most commonly produces greater torque in a motor of given size?
A motor’s torque is the turning moment produced. Which factors increase torque for a given motor design?