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Ampere's Rule Apparatus.

Ampere's Rule Apparatus.

Ampere's Rule Apparatus.

Investigate the magnetic field around a wire. Our heavy brass wire has terminals arranged on a transparent plastic base. Also included are one 45 mm diameter compass, six smaller (16 mm diameter) compasses, and instructions. Arrange the compasses around the vertical rod and turn on a power supply. The resulting change in the direction of the compass needle will astonish and delight your class.

615-4635

$34.60

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Investigate the magnetic field around a wire. Our heavy brass wire has terminals arranged on a transparent plastic base. Also included are one 45 mm diameter compass, six smaller (16 mm diameter) compasses, and instructions. Arrange the compasses around the vertical rod and turn on a power supply. The resulting change in the direction of the compass needle will astonish and delight your class.

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