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WorksheetsElectric generator
Total questions: 14
Worksheet time: 31mins
Generators generate
electricity
mechanical energy
heat
chemical energy
The area surrounding a magnet that applies a force without touching the object.
magnetism
magnet
magnetic theory
magnetic field
Like poles of a magnet
attract
repel
An electromagnet includes
heat
insulators
magnetism
electricity
into a coil with twice the number of loops,
Can you produce current in a wire with a magnet that is sitting still?
Yes; having a magnet near a wire is enough to excite the electrons
No; the magnetic field has to be changing to excite the electrons
No; magnets cannot create electricity
___________________rule can be used to determine the direction of the ___________ induced current produced.
Fleming's Left Hand Rule
Fleming's Right Hand Rule
Right Hand Grip Rule
In Fleming's Right Hand Rule, First finger and center finger represent
current, magnetic field
magnetic field, current
force, current
magnetic field, force
No EMF is induced when?
When the wire is not moving
When the wire is parallel to magnetic field direction
When no lines are cut by the wire
all of the above
All of the following would increase the current induced by the magnet EXCEPT
increasing the speed of the motion
increasing the number of coils of wire
increasing the resistance in the coils
increasing the strength of the magnet
What type of process is shown?
Electromagnet
Electric motor
Electric generator
Electromagnetic induction
