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WorksheetsElectromagnetic Induction
Total questions: 12
Worksheet time: 6mins
Which object(s) have electric fields?
Electric Charges
Magnets
Both Electric Charges & Magnets
Electric fields do not exist
Which object(s) have magnetic fields?
Electric Charges
Magnets
Both Electric Charges & Magnets
Magnetic fields do not exist
A(n) ___ converts electricity into magnetism.
electric transformer
electric generator
electromagnet
electric motor
A(n) ___ converts magnetism into electricity.
electric transformer
electric generator
electromagnet
electric motor
A(n) ___ converts electricity into magnetism, and back to electricity.
electric transformer
electric generator
electromagnet
electric motor
Electric charges must ___ in order to create an observable magnetic field.
exist
be moving
be stationary
disappear
Which of the following will increase the strength of an electromagnet?
Use a Bigger Battery (More Current)
Wrap More Coils
Insert an Iron Core
Use a Bigger Magnet
Which of the following will increase the strength of an electric generator?
Use a Bigger Magnet
Move the Magnet Slower
Wrap More Coils
Use a Bigger Battery
Why is permanent magnet able to exert a force on an electric charge?
Electric charges have an electric field
Electric charges have a magnetic field
A permanent magnet has an electric field
A permanent magnet cannot exert a force on an electric charge
What must occur for a magnetic field to induce an electric current?
The magnetic field must be really big
The magnetic field must be stable
The magnetic field must be changing
The magnetic field must be from a permanent magnet
A(n) ___ electric current will create a changing magnetic field.
existing
direct
alternating
stable
The ___ coils a wire has the ___ current is able to be generated.
more; more
less; more
more; less
less; less
