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Introduction
The experiment consists of two coils, Constant Current Power Supply and Gaussmeter. The Gaussmeter probe is mounted on a rail with a scale. It can move smoothly and precisely for measurement of magnetic field along the centre of the coils.
The following studies can be carried out with the set-up:
1. Study of magnetic field due to one coil and calculation of its diameter.
2. Study of principal of super-imposition of magnetic field due to 2 coils by keeping the distance between the coils at a, greater than a and less than a, where a is the radius of the coil.
Legend:
Line 1
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Magnetic Profile when the distance between the coils is greater than a |
Line 2
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Magnetic Profile when the distance between coils is equal to a |
| Line 3 |
Magnetic Profile when the distance between coils is less than a – Superimposition overlaps completely |
Apparatus consists of the following:
1. Digital Gaussmeter
Range: 0-200
Resolution: 0.1G
Accuracy: 0.5%
Display: 3½ digit 7 segment LED with autopolarity.
2. Two Coil
Diameter: 200mm
Number of turn: 1000
3. Constant Current Power Supply
Current: 0-0.5A Smoothly adjustable
Line Regulator: 0.2%for 10% mains variation.
Load Regulator: 0.2 % for 0 to full load.
Display: 3½ digit 7 Segment LED Display.
Protection: Against overload/ short current.
The 2 coils are mounted on platform one coil is fixed and other coil move smoothly on a rail along with the axis of the coils.
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