What 'effect' do loudspeakers use to convert electrical signals into vibrations (these vibrations then generate sound waves)?
Loudspeakers utilise the motor effect.
Answer in your head, out loud, or on paper, then tap the card to flip.
What 'effect' do microphones use to convert the vibrations caused by sound waves into electrical signals?
Microphones utilise the generator effect.
Answer in your head, out loud, or on paper, then tap the card to flip.
For microphones and loudspeaker, are the electrical signals involved direct or alternating currents?
For both microphones and loudspeakers, the electrical signals involved are alternating currents.
Answer in your head, out loud, or on paper, then tap the card to flip.
What two terms can be used for this part of a loudspeaker?
Answer in your head, out loud, or on paper, then tap the card to flip.
What two terms can be used for this part of a microphone?
Answer in your head, out loud, or on paper, then tap the card to flip.
What is the structure indicated on the microphone above?
Magnet
Answer in your head, out loud, or on paper, then tap the card to flip.
Which two features of the sound waves hitting a microphones diaphragm determine the frequency and amplitude of the current produced?
The frequency and amplitude of the sound waves determine the frequency and amplitude of the current produced.
Answer in your head, out loud, or on paper, then tap the card to flip.