Loudspeakers & Headphones (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do loudspeakers convert electrical signals into?
What do loudspeakers convert electrical signals into?
Sound
How does a loudspeaker's operation relate to a microphone?
How does a loudspeaker's operation relate to a microphone?
It is the reverse process
What flows into the coil of wire in a loudspeaker?
What flows into the coil of wire in a loudspeaker?
Electrical current
What causes the coil in a loudspeaker to move?
What causes the coil in a loudspeaker to move?
Magnetic field interaction
What does the moving coil push and pull on in a loudspeaker?
What does the moving coil push and pull on in a loudspeaker?
The cone or diaphragm
What does the movement of the cone create in the air?
What does the movement of the cone create in the air?
Pressure variations
How do headphones differ from loudspeakers?
How do headphones differ from loudspeakers?
They work on a smaller scale
What does the magnet provide in a loudspeaker or headphone?
What does the magnet provide in a loudspeaker or headphone?
A magnetic field
What is the function of the diaphragm in loudspeakers and headphones?
What is the function of the diaphragm in loudspeakers and headphones?
Moves to create sound waves
What mechanism do electrostatic headphones use to produce sound?
What mechanism do electrostatic headphones use to produce sound?
Charged plates and a diaphragm