Microphones (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
8 questions from this quiz
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Practise the questions
8 questions from this quiz
What do dynamic microphones convert sound waves into?
What do dynamic microphones convert sound waves into?
Electrical current
How does the electrical current relate to the sound signal in a dynamic microphone?
How does the electrical current relate to the sound signal in a dynamic microphone?
It is proportional
Where is the fixed magnet positioned in a dynamic microphone?
Where is the fixed magnet positioned in a dynamic microphone?
At the centre
What do sound waves create in a dynamic microphone?
What do sound waves create in a dynamic microphone?
Pressure variations
What causes the coil to move back and forth in a dynamic microphone?
What causes the coil to move back and forth in a dynamic microphone?
Pressure variations from sound
What induces a current in the coil of a dynamic microphone?
What induces a current in the coil of a dynamic microphone?
Coil moving through magnetic field
What effect causes current to be induced in the coil?
What effect causes current to be induced in the coil?
Generator effect
Where is the induced current transmitted to?
Where is the induced current transmitted to?
Loudspeaker or recording device