Question

what is solenoid plz solve ​

Answer 1

Explanation:

a cylindrical coil of wire acting as a magnet when carrying electric current is known as solenoid

Answer 2

Explanation:

A solenoid is a type of electromagnet, the purpose of which is to generate a controlled magnetic field through a coil wound into a tightly packed helix. The term was invented in 1823 by André-Marie Ampère to designate a helical coil.[3]

In the study of electromagnetism, a solenoid is a coil whose length is substantially greater than its diameter.[4] The coil can be arranged to produce a uniform magnetic field in a volume of space when an electric current is passed through it. A solenoid is an electromagnet, the purpose of which is to generate a controlled magnetic field.

The solenoid is not necessarily straight, for example, William Sturgeon's electromagnet of 1824 consisted of a solenoid bent into a horseshoe shape.

In engineering, the term 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; for example, an automobile starter solenoid, or a linear solenoid, which is an electromechanical solenoid. Solenoid bolts, a type of electronic-mechanical locking mechanism, also exist. In electromagnetic technology, a solenoid is an actuator assembly with a sliding ferromagnetic plunger inside the coil. Without power, the plunger extends for part of its length outside the coil. Applying power pulls the plunger into the coil. Electromagnets with fixed cores are not considered to be solenoids.

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