What Size Magnet Can ERASE a Credit Card?

What Size Magnet Can ERASE a Credit Card?

Assessment

Interactive Video

Physics, Science

10th - 12th Grade

Hard

Created by

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The video explores the effects of magnets on credit card magstripes, highlighting their vulnerability to erasure. It discusses the security concerns of magstripe technology and demonstrates the Magspoof device, which can emulate magstripe data. The video also explains the advantages of chip technology in enhancing credit card security.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the goal of the experiment conducted by the friends in San Diego?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How did the use of magnets relate to the erasure of credit card information?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How did the experimenters measure the effectiveness of the magnets on the credit cards?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What did the friends discover about the strength of the magnets used in their tests?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the significance of the thickness of materials in relation to magnetic fields?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Why are chip cards considered more secure than magstripe cards?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What security concerns are associated with magstripe technology?

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