
Practice Speakers
Quiz
•
Physics, Science
•
11th - 12th Grade
•
Hard
Jennifer Douglas
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a wire that carries current is placed near a compass, the compass changes direction. This observation indicates
current in a wire induces voltage
current in a wire generates a magnetic field
current in a wire creates electricity
current in a wire produces resistance
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a wire that carries current is wrapped around a iron nail. This is an example of
electromagnetic induction
a circuit
a permanent magnet
a electromagnet
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A current-carrying wire produces...
a voltage
a resistance
a magnetic field
a permanent magnet
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Permanent magnets are different from electromagnets because... (Select all that apply)
permanent magnets keep their magnetic field
permanent magnets are made of materials that have electrons spinning in one direction
permanent magnets and electromagnets are the same
none of the options are correct
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The strength of an electromagnet depends on... (Select all that apply)
the amount of voltage pushing current
the amount of current in the wire
the number of loops in the coil
none of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A speaker works using the same process as...
a generator
a electric motor
a turbine
a microphone
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A microphone converts ___ to ___ using __.
sound; electrical current; electromagnetic induction
sound; electrical current; electromagnets
electrical current; sound; electromagnetic induction
electrical current; sound; electromagnets
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