define solenoid with the help of a suitable diagram show the pattern of magnetic field lines in and around a current carrying solenoid state the region where field is uniform
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If a conducting wire is in the form of coil whose diameter is less than to its comparison length that coil is known as solenoid.
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Solenoid is a coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder. When a current is passed through the solenoid, the current in each circular loop has the same direction, their magnetic effects get added up producing a strong magnetic field. Inside the solenoid, the magnetic field is almost uniform and parallel to the axis of the solenoid.
The field is uniform inside the solenoid.
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