Weegy: A storage battery is charged using an electric current is an example of electrical energy being converted to chemical energy.
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User: 16. Which of the following frequencies falls in the range of RF waves used by commercial radio broadcasting stations?
A. 60 Hz
B. 6,000,000 Hz
C. 600,000 Hz
D. 6,000 Hz
Weegy: 6000 Hz is within the range used by commercial radio broadcasting stations.
User: 17. Which of the following statements about iron filings placed upon glass resting on top of a bar magnet is false?
A. The density of the filings will match the intensity of the magnetic field.
B. The direction of the flux in the portion of a magnetic field outlined by the filings will be from the north pole of the magnet to the south pole.
C. The filings will be clustered more densely where the field is weakest.
D. The filings will sit on the glass on curved paths between the north and south poles.
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