Science, asked by Rohitsirohi6848, 11 months ago

What are bobbins? Were they are used

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Answered by aswathysajaytlu
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Answer:

Explanation:

A bobbin is a spindle or cylinder, with or without flanges, on which wire, yarn, thread or film is wound.[1] Bobbins are typically found in sewing machines, cameras, and within electronic equipment. In non-electrical applications the bobbin is used for tidy storage without tangles.

In electrical applications, a coil of wire carrying a current will create a magnetic field. This effect is used in solenoids.

As used in spinning, weaving, knitting, sewing, or lacemaking, the bobbin provides temporary or permanent storage for yarn and may be made of plastic, metal, bone, or wood.

Bobbin lacemaking is a handcraft which requires the winding of yarn onto a temporary storage spindle made of wood (or, in earlier times, bone) often turned on a lathe. Exotic woods are extremely popular with contemporary lacemakers.

Many lace designs require dozens of bobbins at any one time.

Both traditional and contemporary bobbins may be decorated with designs, inscriptions, or pewter or wire inlays. Often, the bobbins are 'spangled' to provide additional weight to keep the thread in tension. A hole is drilled near the base to enable glass beads and other ornaments to be attached by a loop of wire. These spangles provide a means of self-expression in the decoration of a tool of the craft. Antique and unique bobbins, sometimes spangled, have become highly sought after by collectors.

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