Question: A guitar string can vibrate at different frequencies, depending on how it is held (Chapter 12). Consider a string that is being played at either

A guitar string can vibrate at different frequencies, depending on how it is held (Chapter 12). Consider a string that is being played at either 400 Hz or 800 Hz. If everything else is kept the same, how do the induced emfs at the two frequencies compare? That is, which one is larger, and by what factor? Note to musicians: Electric guitar amplifiers are designed to compensate for this frequency variation.

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