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1. Eddy currents are used for braking: since there is no contact with a brake shoe or drum, there is no mechanical wear. However, an eddy current brake cannot provide a "holding" torque and so may be used in combination with mechanical brakes.
2. Repulsive effects and levitation: In a varying magnetic field the induced currents exhibit diamagnetic-like repulsion effects. A conductive object will experience a repulsion force. This can lift objects against gravity.
3. Identification of metals :In coin operated vending machines, eddy currents are used to detect counterfeit coins, or slugs.
4. Vibration and position sensing:Eddy currents are used in certain types of proximity sensors to observe the vibration and position of rotating shafts within their bearings.
A Ferraris acceleration sensor, also called a Ferraris sensor, is a contactless sensor that uses eddy currents to measure relative acceleration.
5. Structural testing: Eddy current techniques are commonly used for the nondestructive examination (NDE) and condition monitoring of a large variety of metallic structures, including heat exchanger tubes, aircraft fuselage, and aircraft structural components.
6. Coating Thickness Measurements
7. Sheet Resistance Measurement
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