FCC Technician Exam Question Of The Day (T6C10)

Q) What is component 3 in figure T3?

A) Variable inductor


NJ2X Notes:
Check out NJ2X.COM for other FCC Technician Exam questions related to the schematic symbol.

Below is a picture of the internals of the MFJ-989D ANTENNA TUNER, 1.8-30 MHZ, LEGAL POWER.  Notice the large variable roller inductor pictured at the bottom.  The knob for changing the inductuctance is just visable on the left.
MFJ-989D Antenna Tuner Internal View

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