Speakers & Headphones (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What do loudspeakers convert?
What do loudspeakers convert?
Electrical signals into sound
How do loudspeakers relate to microphones?
How do loudspeakers relate to microphones?
They work in reverse to microphones
What causes the coil to move in a loudspeaker?
What causes the coil to move in a loudspeaker?
Interaction between magnetic fields
What creates sound in a loudspeaker?
What creates sound in a loudspeaker?
Cone creating pressure variations
How do headphones compare to loudspeakers?
How do headphones compare to loudspeakers?
They function similarly but smaller
What component vibrates to create sound in headphones?
What component vibrates to create sound in headphones?
The diaphragm
Where does electric current flow in speakers?
Where does electric current flow in speakers?
Through the coil of wire
How do dynamic headphones work?
How do dynamic headphones work?
With a moving coil and magnet
What do electrostatic headphones use?
What do electrostatic headphones use?
Electrically charged plates
How do generators produce current?
How do generators produce current?
By rotating a coil in a field
What do dynamos use to keep current in one direction?
What do dynamos use to keep current in one direction?
A split-ring commutator
How do microphones generate electrical signals?
How do microphones generate electrical signals?
Reversing the speaker process