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Yes, The black strip on the back of a credit card (or any other plastic card with a dark strip) stores information on it in magnetic form. Thus if you place a credit card near a strong magnet it will change/damage this magnetic information making the strip unreadable.

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16y ago

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How does a magnet in a credit card work?

A magnet in a credit card is used to store information. The magnet encodes data in a series of magnetic stripes which are then read by card readers. This information typically includes the card number, expiration date, and cardholder's name.


Will a magnet affect a credit card?

yes but it depends on the type of magnet and how strong it is


What devices will have its data scrambled by a magnet?

A credit card


Which of the following will likely affect a magnet a DVD a floppy disk a credit card or a compact disc?

a credit card [wrong]Apex :)SHE IS WRONG, its a credit card AND an access card you scan for entry into a builing.


How do you erase magnetic information on a credit card?

Take a magnet, swipe it on the magnetic strip on the card.


What is the black strip on the back of a credit card called?

magnet strip


Would closing a credit card damage my credit score?

Yes closing a credit card can damage your credit score. But as long as everything else is good it should not affect you credit rating to much. Look for tips to keep a good credit card rating.


Why should a credit card not be kept near a magnet?

Keeping a credit card near a magnet can potentially demagnetize the magnetic stripe on the card, rendering it unreadable. This can make it difficult or impossible to use the card for transactions. It's best to store credit cards away from magnetic fields to avoid this issue.


Why should you never keep a credit card near a magnet?

You should never keep a credit card neat a magnet because that black strip at the bottom of the card is actually a sort of memory like in a computer chip. The magnet makes all this memory wipe to either become 1 or 0(depending on the direction). Also, if you are using a card with a swipe chip, this will also be wiped.


Can leaving your credit card on TOP of the microwave damage it?

no


Can a microwave damage a credit card?

If you place it inside and turn the oven on, I presume that the card will be damaged.


How does a credit card machine work?

You put your card into the machine, the magnet recognizes the strip on the card and asks for the pin. The user enters the pin and then next paths are made.