5L10.10 - Inductive Choke

Code Number:
Demo Title:
Inductive Choke
Inductive EMF
Area of Study:
Electricity and Magnetism
Variac, inductor with core, light bulb.

Hook the variac, inductor, and light bulb in series.  Turn the variac up until the light bulb glows brightly.  Inserting the iron core into the inductor should cause the light bulb to go out.

  • Lawrence B. Ryan, "Reactance Measurements in the Physics Lab", TPT Vol. 6, # 4, April 1968, p. 176.

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