Question

what is solinoid ???????​

Answer 1

$\huge\mathcal{\underline{\color{aqua}QUESTION}}$

⭐ what is solenoid ?

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☕ In the study of electromagnetism, a solenoid is a coil whose length is substantially greater than its diameter.

☕ 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 coil can be arranged to produce a uniform magnetic field in a volume of space when an electric current is passed through it.

$\red\longrightarrow\:\bf\blue{B\:=\:\mu_o\:\dfrac{N~I}{l}~}$

Where,

• B = Solenoid magnetic flux density

• $\bf{\mu_o}$ = Magnetic constant

• N = Number of turns

• I = Current

• l = Length of the solenoid

Answer 2

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★ The solenoid is a coil of insulated or enameled wire wound on a rod-shaped form made of solid iron, solid steel, or powdered iron. Devices of this kind can be used as electromagnets, as inductors in electronic circuits, and as miniature wireless receiving antennas