Question

explain the use of the magnet in atm or credit card in detail​

Answer 1

Answer:

A stripe of magnetic information that is affixed to the back of a plastic credit or debit card. ... Often, it's called a “magnetic swipe” card, because the card is activated by swiping it through a device that can read the data in the stripe. The credit card's magnetic stripe contains three tracks of data.

Answer 2

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A stripe of magnetic information that is affixed to the back of a plastic credit or debit card. ... Often, it's called a “magnetic swipe” card, because the card is activated by swiping it through a device that can read the data in the stripe. The credit card's magnetic stripe contains three tracks of data.