What is a solenoid with a ferromagnetic core?

Question

it's for a crossword puzzle in science 8th grade, no crossword solver has the answer. por favor, tomar con tiempo, y mi pelotas es no son tipo de comida

Answer 1

Not enough info... HOW MANY LETTERS??? If the answer is 5 it could be RELAY.

Answer 2

solenoid is==a 3-dimensional coil. In physics, the term solenoid refers to a loop of wire, often wrapped around a metallic core, which produces a magnetic field when an electrical current is passed through it. Solenoids are important because they can create controlled magnetic fields and can be used as electromagnets. The term solenoid refers specifically to a magnet designed to produce a uniform magnetic field in a volume of space (where some experiment might be carried out).In engineering, the term solenoid may also refer to a variety of transducer devices that convert energy into linear motion. The term is also often used to refer to a solenoid valve, which is an integrated device containing an electromechanical solenoid which actuates either a pneumatic or hydraulic valve, or a solenoid switch, which is a specific type of relay that internally uses an electromechanical solenoid to operate an electrical switch.

ferromagnetic core==a key component in electrical and electromechanical devices such as electromagnets, transformers and inductors. A magnetic core is a magnetic material with a high magnetic permeability, but are usually chosen to be magnetically 'soft', that is, they are made of materials that do not maintain a significant magnetic field when external field is removed, unlike 'hard' magnetic materials.

The use of a magnetic core can enormously concentrate the strength and increase the effect of magnetic fields produced by electric currents and permanent magnets. The properties of the device will depend crucially on the following factors: