GEOLOGY

EARTH SCIENCE

MAGNETISM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Magnets can harm which of the following:
A
books
B
computers
C
trumpets
D
pencils
Explanation: 

Detailed explanation-1: -Put simply, no – a magnet can not harm your laptop. Especially when it comes to the average magnets found around our office spaces. A magnet could wipe out your laptop’s hard drive, but it would take an extremely powerful magnet to do so. And in case you weren’t aware, laptops actually contain a few magnets themselves.

Detailed explanation-2: -Magnets can damage your electronics Strong magnetic fields of neodymium magnets can damage certain magnetic media such as credit cards, magnetic I.D. cards, and legacy media such as cassette tapes, and videotapes. They can also cause damage to TVs and computer monitors.

Detailed explanation-3: -That’s because when you magnetize a piece of metal, it continues to stay magnetized until you demagnetize it. In a very similar way, the computerized information (data) stored in your computer’s hard drive stays there even when you switch the power off. This is how your computer stores all of its information.

Detailed explanation-4: -Can a magnet damage RAM? Ram sitting outside with a magnet on top will not affect it. Unless your magnet is so amazingly strong that it magnetises some sort of fero magnetic material on the pcb, which will then cause a current bias when its powered on, as the charge carriers will move towards the magnetic field instea.

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