what happens when you stroke the prongs with the wire
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When the free end of a wire is pulled gently across the prongs of a fork, a wave-like periodic motion is produced that causes a noise. The sound of the noise depends on the frequencies that are created.
Higher the frequency, more the sound. Lesser the frequency, lesser the sound.
If the wire is connected to a battery, then it produces radio waves also.
Higher the frequency, more the sound. Lesser the frequency, lesser the sound.
If the wire is connected to a battery, then it produces radio waves also.
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