Why do you have to \"swipe\" the magnetic stripe on your credit card to allow a

ID: 1370016 • Letter: W

Question

Why do you have to "swipe" the magnetic stripe on your credit card to allow a machine to read it?

Sign reversals in the magnetism are converted to sound waves in the machine by Faraday's law.

Sign reversals in the magnetism are converted to magnetic reversals in the machine by Gauss' law.

Current reversals in the magnetism are converted to varying magnetism in the machine by Ampère's law.

Sign reversals in the magnetism are converted to varying electric current in the machine by Faraday's law.

Sign reversals in the magnetism are converted to sound waves in the machine by Faraday's law.

Sign reversals in the magnetism are converted to magnetic reversals in the machine by Gauss' law.

Current reversals in the magnetism are converted to varying magnetism in the machine by Ampère's law.

Sign reversals in the magnetism are converted to varying electric current in the machine by Faraday's law.

During the stripin process The voltage on the coil in the reader can be used to read information encoded in the magnetic strip.

option D
d.
Sign reversals in the magnetism are converted to varying electric current in the machine by Faraday's law.

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