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Melde's Apparatus

Order Code: TP801

Category: Mechanics Lab

Designed to show the effect of vibrations in a stretched cord and investigate the relationship between frequency, tension and density. In addition the provision of electrical contacts, opened and closed by the vibrating armature, allow the apparatus ...



SPECIFICATION

Designed to show the effect of vibrations in a stretched cord and investigate the relationship between frequency, tension and density. In addition the provision of electrical contacts, opened and closed by the vibrating armature, allow the apparatus to be used as high speed changeover switch in. Comprises a thin steel rod armature, mounted in a clamp formed by a pair of 4 mm socket terminals, so that its free length may be adjusted as design. An AC energising coil surrounds the armature and a permanent magnet provides the magnetic polarisation. The free end of the armature equipped with a TMAll boss and clamping screw for attachment of the cord and also serve as the moving contact when the apparatus is operating as a change over switch. Complete apparatus is fitted on a wooden base.

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