Magnetic fields are produced by electric currents, which can be macroscopic currents in wires, or microscopic currents associated with electrons in atomic orbits
An electric current produces a magnetic field around wires where the current exists.
Because the entire concept of magnetic field is based on the element IRON (and to a much lesser degree, Nickel). Iron content? (most metals): Magnetic. Plastic based? (no iron): Not magnetic. Simple as that.
Here's the answer plain and simple, no. .
definition of a motor
A magnetic needle meter, or a simple compass.
your science in simple defenition in when you
a simple machine
Are you referring to the definition to be simple or the definition of "simple predicate"? Anyway, I'm thinking that you mean the former. A simple predicate is the word that shows what is happening. In the before sentence, is is the simple predicate. "is the word that shows what is happening" is the whole predicate. A verb will not always be the simple predicate, and simple predicates will not always be 1 word.
a simple definition of tempersture is the measure of how fast particles in an object are moving or the measure of how hot an object is
Yes. Very simple example: A dynamo.
they are magnetic
The definition of chemistry easy is the study of elements, laws of combination and behavior. The definition of simple is having only one thing or element to do.