Code Number: 5L10.10

Demo Title: Inductive Choke

Condition: Good

Principle: Inductive EMF

Area of Study: Electricity and Magnetism

Equipment:

Variac, inductor with core, light bulb.

Procedure:

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.

References:

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

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Instructional Resources and Lecture Demonstrations

5L10.10 - Inductive Choke

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