Question

what is a solenoid..........?​

Answer 1

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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.

Answer 2

Answer:

☯︎ANSWER

• ✈︎The solenoid is a long cylindrical coil of wire consisting of a large number of turns bound together very tightly.
• ➪A 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.
• ✈︎A solenoid is a device comprised of a coil of wire, the housing and a moveable plunger (armature). When an electrical current is introduced, a magnetic field forms around the coil which draws the plunger in. More simply, a solenoid converts electrical energy into mechanical work.
• ➪The length of the coil should be longer than its diameter.
• ✈︎Magnetic field around a current carrying solenoid is shown in figure. These appear to be similar to that of a bar magnet.

• ➪When soft iron rod is placed inside the solenoid, it behaves like an electromagnet. The use of soft iron as core in the solenoid produces the strong magnetism.