Question

define solenoid????Handmade diagram

Answer 1

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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.


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Answer 2

$\underline\bold{Solenoid:-}$

Solenoid is made by looping a metal wire around a rod . The metal wire used should we made from the metal which is a good conductor. It generates the magnetic field when current is passed through it.

A solenoid is a helix whose diameter is comparatively very small than its length.

When the current is passed through it a nearly uniform magnetic field is set up in the interior and along the axis of solenoid.

B = u. n I

if you want to increase the magnetic field then can we have to

(i) increases the intensity of current flowing through it

(ii). increase the number of turns per unit length.