How long can an electromagnet keep its magnetism?

Answer According to Magnet Lab, an electromagnet is created by applying electricity to a piece of ferrous (iron-containing) material wrapped with wire. The strength of the resulting electromagnetic field ... Read More »

Top Q&A For: How long can an electromagnet keep its magnetism

How is Magnetism Produced in an Electromagnet?

Electromagnets are used in a variety of devices, from stereo speakers to bullet trains. These devices utilize the principles of electromagnetism to induce a magnetic field on a piece of metal by ru... Read More »

What is best way to keep lettuce from wilting or browning I want it fresh. How long will it keep until?

If you cut it, you should dunk it in ice water immediately after cutting, shake/pat dry, then bag up in a ziploc or produce bag and place that in the crisper.I have a 10 day old head of red romaine... Read More »

Does magnetism work?

On One Hand: Magnetism Is a Proven Scientific PhenomenaMagnetism exerts influence on metals and magnetically charged bodies. Magnetism charges an object with two poles. These repel like poles and a... Read More »

Relationship Between Electricity & Magnetism?

Magnetism and electricity involve the attraction and repulsion between charged particles and the forces exerted by these charges. The interaction between magnetism and electricity is called electro... Read More »