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29 questions
Which statement is true?
All magnets have a North and South Pole
All magnets can attract large objects
Magnets can not pull through solids
All magnets have the same shape and size
In Fleming's Left Hand Rule what does the thumb point in the direction of?
The direction of the magnetic field
The direction of the current
The direction of the force (movement)
None of these
A loudspeaker will only work with...
AC electricity
DC electricity
Simple motor will only work with...
AC electricity
DC electricity
Increasing the current will make the motor...
spin faster
spin slower
spin in the opposite direction
it won't have any effect
Decreasing the strength of magnets will make the motor...
spin faster
spin slower
spin in the opposite direction
it won't have any effect
Switching the poles of a magnet will make the motor...
spin faster
spin slower
spin in the opposite direction
it won't have any effect
A magnetic field like this is called...
a parallel field
a distorted field
a uniform field
a paramagnetic field
Adding more turns to the coil of a wire will make the motor...
spin faster
spin slower
spin in the opposite direction
it won't have any effect
What can be used to see the shape of the magnetic field around a magnet? Choose 2 answers
iron nail
iron filings
compasses
battery
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