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Definition:
A Bismuth Spiral is a flat coil made from bismuth wire used to measure magnetic flux. It operates on the principle that the resistance of bismuth increases with an increasing magnetic field, allowing changes in magnetic flux to be observed by measuring the change in resistance of the coil.
Key Characteristics:
- Material: The spiral is made from bismuth wire, chosen for its unique magnetic properties.
- Design: The coil is flat and spiral-shaped, which facilitates the measurement of magnetic flux changes.
- Function: As the magnetic field changes, the resistance of the bismuth wire varies. This resistance change is used to measure the magnitude of the magnetic flux.
- Measurement Principle: The principle behind the Bismuth Spiral is that bismuth’s electrical resistance increases with stronger magnetic fields. This characteristic allows the coil to serve as a sensitive magnetic flux detector.
- Applications: Bismuth Spirals are used in various applications that require precise measurement of magnetic fields, such as in magnetic flux sensors, research experiments, and certain types of magnetic field measurement instruments.
Summary:
The Bismuth Spiral is a flat, spiral-shaped coil of bismuth wire used to measure magnetic flux. It operates by detecting changes in resistance of the bismuth wire in response to varying magnetic fields, making it useful for precise magnetic flux measurements.