All Questions
Tagged with magnet inductance
3 questions
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Time it takes for B to go to zero with R and L given
Given that your solenoid has inductance L and resistance R with initial current I such that there is uniform B inside the coil, I would like to figure out how much time will pass before B goes to zero....
- 533
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Moving a magnet through coils wound in the opposite direction
Suppose I want to harvest kinetic energy by moving a magnet back and forth through a coil assembly. Faraday flashlights work by this principle, but to my knowledge those usually only have one coil. ...
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4
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What effect does Permanent Magnet have on an air-core coil?
Given an air-core coil of known inductance and a given frequency of applied voltage, you can predict the coil reactance, the current, and the voltage/current phase relationship.
What effect, if any, ...
- 901