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Usually it's a permanent magnet. You could use an electromagnet instead, but doing so is considerably harder from an engineering standpoint.
Electromagnet
The electromagnet is only part of the mechinism the whole item is called a solenoid which has a magnetized rod inside the electromagnet when 24 volts is applied the solenoid springs out of the coils of the electromagnet striking the bell. When released the rod returns by use of a spring and strikes another bell. Ding, Dong.
When you need a magnet you can turn on and off an electromagnet is used.
iron
Usually it's a permanent magnet. You could use an electromagnet instead, but doing so is considerably harder from an engineering standpoint.
you could throw it away or you could save them and take them to a place where they crush the cans and re use them and u get money
They turn on and off by taking the battery out and putting it back in or if it has a switch then you could use that.
electromagnetically
yes it does
No.
An electromagnet drives the stereo speaker to provide the sound.
electromagnetism
Use an electromagnet.
Electromagnet
The electromagnet is only part of the mechinism the whole item is called a solenoid which has a magnetized rod inside the electromagnet when 24 volts is applied the solenoid springs out of the coils of the electromagnet striking the bell. When released the rod returns by use of a spring and strikes another bell. Ding, Dong.
Could you please try to increase the number of tin cans in the recycle bin.