No, photocopying a credit card does not destroy the magnetic strip, but unless you absolutely need a copy of your credit card, I would not suggest making copies of it.
If you have a copy of the card (especially if you put front/back on the same page or stored together), it would make it very easy for someone to steal that information and use your card for online purchases.
Why do credit cards have a magnetic stripe on the back
A credit card is a piece of plastic with a strip of magnetic information on it. When this strip is exposed to a strong magnetic field, like in an MRI, PET scan, or CAT scan it can get erased because the magnetic field removes the magnetic information.
A card reader, also known as a magnetic stripe reader, is used to read the information stored on the magnetic strip of a credit card. The reader uses a magnetic head to detect and decode the data on the strip, such as the card number and expiration date.
Take a magnet, swipe it on the magnetic strip on the card.
Magnetic strips can be used in several different applications. There is a magnetic strip on the back of a credit card. This thin strip houses personal information that is activated when it is slide between 2 activators.
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.
You can ruin the magnetic strip on a credit card by exposing it to strong magnetic fields, scratching or bending the card, or coming into contact with liquids or oils that can damage the strip. Once the magnetic strip is damaged, it may not be readable by card readers and could prevent transactions from being processed.
No, the $1 US bill does not have a magnetic strip. Magnetic strips are commonly found on credit and debit cards for data storage and processing but are not used in paper currency.
information is encoded in a magnetic strip
The magnetic strip contains data relating to the Account number, Branch number & Sort code of the bank where the account is held.
A magnetic strip, which can be read by a card reader.
A magnetic card reader/magnetic reader your credit card has lots of little squares on the black strip. Each one is magnetised or not. this represents 1/0 binary. 8 of these make a byte. the magnetic card reader detects these little 1/0 dots and turns them into numbers.