Sound wave hits diaphragm causing it to move in and out. Coil is moved up and down magnet. This motion includes current in the coil of wire. Direction of current varies as direction of movement changes.
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What happens in microphones?
Current flowing through coil causes force due to motor effect. Direction of force given by left hand rule. As current alternatives, diaphragm caused to move in and out. Causes pressure waves in air. We hear this as sound
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What converts sound waves to electrical current?
microphone
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What converts electrical current to sound waves?
loudspeaker
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What does the resulting electrical signal from a dynamic microphone follow?
the same pattern as the original sound wave
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Other cards in this set
Card 2
Front
What happens in microphones?
Back
Current flowing through coil causes force due to motor effect. Direction of force given by left hand rule. As current alternatives, diaphragm caused to move in and out. Causes pressure waves in air. We hear this as sound
Card 3
Front
What converts sound waves to electrical current?
Back
Card 4
Front
What converts electrical current to sound waves?
Back
Card 5
Front
What does the resulting electrical signal from a dynamic microphone follow?
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