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K7-01: RL CIRCUIT - 50 MICROSECOND TIME CONSTANT 9 years 10 months ago #731

  • zzfixk21
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ID Code: K7-01
Purpose: Illustrate RL time constant.
Description: A resistance box and an air-core coil are used in an RL circuit. The inductance of the air-core coil can be calculated (if desired) and the time constant L/R calculated from the inductance and the resistance of the box. This can be compared with the experimental result. The signal source, a square wave of about 2000 Hertz, is displayed on the upper trace, and the current in the RL circuit on the lower trace. See circuit above.
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Last edit: by zzfixk21.
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