A transformer's audible hum is a result of the laminations and windings vibrating as the magnetic field alternates.

Answer the following statement true (T) or false (F)


True

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Answer the following statements true (T) or false (F)

Center-justified text and middle-justified text are two names for the same thing.

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"Organically produced foods" have now been defined by the ________

a. NRCS c. USDA b. FDA d. EPA

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Calcium, magnesium, and potassium all have a _____________________ charge

Fill in the blank(s) with correct word

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Which of the following is not a type of motion produced by a cam?

A. harmonic B. uniform acceleration C. uniform velocity D. harmonic displacement

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