Question

Atm card when its magnetic strip is swiped through scanner principle

Answer 1

Atm card when its magnetic strip is swiped through scanner principle

This happen on the basis of magnetic effect of electric current.

Answer 2

A magnetic stripe card is a type of card capable of storing data by modifying the magnetism of tiny iron-based magnetic particles on a band of magnetic material on the card. The magnetic stripe, sometimes called swipe card or magstripe, is read by swiping past a magnetic reading head. Magnetic stripe cards are commonly used in credit cards, identity cards, and transportation tickets. They may also contain an RFID tag, a transponder device and/or a microchip mostly used for business premises access control or electronic payment.

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