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physicsgal
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Homework Statement
explain why high-voltage power lines give off a buzzing sound using what you know about the motor principal to explain the source of the buzzing.
Homework Equations
so the motor principal has to do with when a force is exerted on a current-carrying conductor when it is in a magnetic field.
The Attempt at a Solution
the field lines changed their shape (or position) and this causes a frequency that produces sound?
any help is appreciated!
Amy