Login
Login
Login
Register

Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

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.
Start Test
Incorrect: 0
Correct: 0
Question 1
...
Congratulations - you have completed the test!
Your final score was

Below a typical questions that will be covered in this test. You final score will be logged on your account

What happens to the direction of the force on a current-carrying wire in a magnetic field if you reverse the current direction?
In a simple DC motor, if the strength of the external magnetic field is doubled while other factors stay the same, what happens to the force on each side of the coil?
A motor has power input P_in and mechanical output power P_out. Which expression defines efficiency?
In a simple explanation, how does an electric motor convert energy?
In the equation F = B I L, what does B represent?
Which of the following will reverse the rotation direction of a simple DC motor?
Which configuration most commonly produces greater torque in a motor of given size?
What advantage do brushless DC motors have over brushed DC motors?
When a motor reaches a steady speed under load, how does the back EMF compare to the supply voltage?
Which statement best describes why a soft iron core is used inside the coil of an electromagnet in a motor?
What is the main reason a motor gets hot during operation?