Auxiliary Coil -
for the establishment of crossed B-fields in the Perrin tube

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Application:_..

The auxiliary is used to create a magnetic field perpendicular to the axis of a tube. When used in conjunction with the Helmholtz pair of coils D and S (1000644 and 1000611) and the Perrin tube D and S (1000650 and 1000616) two orthogonal magnetic fields can thus be generated at right angles to the tube axis to demonstrate the basic principles of a cathode ray oscilloscope.

Product Information:_..

The air filled coil is made of lacquered copper wire on a plastic bobbin with a lip for securing to the fork of the tube holder D (1008507). Connections are labelled from the start (A) to the end (Z) of the coil winding.

Specifications:_..

Number of windings:	1000
Maximum current:	max. 2 A (short term)
Effective resistance:	7 Ω approx.
Connection:	via 4-mm sockets
Dimensions:	33 mm x 80 mm Ø