Hello! I wonder what effect a neodymium or other magnet can have on electronics and household appliances? One of my observations is that when I placed a neodymium magnet (dimensions 45mmx30mm) next to it, the smartphone turned off after a few moments. I also suspect a negative impact on the SIM...

The SIM card has no steel or induction components. I think 2 interactions are the most important. Change of coil inductance and induction of voltages in circuits.

Only when the magnet is moving relative to the phone.

It's not just about magnetically active materials. Copper is indifferent to the action of a magnet, but if a magnet is moved next to a copper coil (or made of another conductor, e.g. aluminum), the coil induces a voltage proportional to the inductance of the coil, the strength of the magnet and its speed relative to it.

You speak well, I will add that in general (in this case my HuaWei) has little metal attracted by a magnet

Effect of Neodymium Magnet on Electronics & Household Appliances: Smartphone & SIM Card Impact

tubis1234 8568 4

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#1 16602708 22 Jul 2017 22:29

tubis1234 tubis1234

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Post #1
16602708 22 Jul 2017 22:29

Hello!

I wonder what effect a neodymium or other magnet can have on electronics and household appliances?

One of my observations is that when I placed a neodymium magnet (dimensions 45mmx30mm) next to it, the smartphone turned off after a few moments. I also suspect a negative impact on the SIM card.

Anyone know anything more?

Greetings!

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#2 16602753 22 Jul 2017 22:53

D214d3k D214d3k

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16602753 22 Jul 2017 22:53

The SIM card has no steel or induction components.
I think 2 interactions are the most important. Change of coil inductance and induction of voltages in circuits.
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#3 16602760 22 Jul 2017 22:56

DiZMar DiZMar

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16602760 22 Jul 2017 22:56

D214d3k wrote:
... inducing voltage in circuits.

Only when the magnet is moving relative to the phone.
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#4 16602761 22 Jul 2017 22:57

tubis1234 tubis1234

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16602761 22 Jul 2017 22:57

You speak well, I will add that in general (in this case my HuaWei) has little metal attracted by a magnet
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#5 16602774 22 Jul 2017 23:02

DiZMar DiZMar

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16602774 22 Jul 2017 23:02

tubis1234 wrote:
... has little metal attracted to the magnet

It's not just about magnetically active materials. Copper is indifferent to the action of a magnet, but if a magnet is moved next to a copper coil (or made of another conductor, e.g. aluminum), the coil induces a voltage proportional to the inductance of the coil, the "strength" of the magnet and its speed relative to it.
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