FC ATT LATEST 2026 EXAM QUESTIONS AND ANSWERS
RATED A+
✔✔_____________ loss is due to high frequency currents flowing near the outer
surface of the conductor - ✔✔Skin
✔✔When a portion of electric energy is lost to the atmosphere, not a nearby object, it is
called _____________________________. - ✔✔radiation loss
✔✔______________ is due to the capacitance formed between transmission lines -
✔✔Dielectric
✔✔_______________ is due to resistance, especially in long lines - ✔✔Copper loss
✔✔_________________ uses the outer conductor to shield the center conductor. -
✔✔Coaxial
✔✔_________________ transmission line allows the greatest RF velocity (97% of the
speed of light) - ✔✔open 2-wire
✔✔_______________ transmission line allows the least velocity (60% of the speed of
light) - ✔✔Twisted Pair
✔✔A waveguide is defined as a system of material boundaries capable of guiding
_____________________ - ✔✔electromagnetic energy
✔✔The "a" width dimension determines ___________ and the "b" (height) dimension
determines _______________ - ✔✔frequency, power
✔✔Electromagnetic energy is produced by
_____________________________________________ - ✔✔current flowing through
the conductors
✔✔The physical handling and installation of a waveguide is called _____________ -
✔✔plumbing
✔✔_______________ are the result of improper waveguide joining or obstructions in
waveguides - ✔✔standing waves
✔✔Dummy load is a - ✔✔resistive load
RATED A+
✔✔_____________ loss is due to high frequency currents flowing near the outer
surface of the conductor - ✔✔Skin
✔✔When a portion of electric energy is lost to the atmosphere, not a nearby object, it is
called _____________________________. - ✔✔radiation loss
✔✔______________ is due to the capacitance formed between transmission lines -
✔✔Dielectric
✔✔_______________ is due to resistance, especially in long lines - ✔✔Copper loss
✔✔_________________ uses the outer conductor to shield the center conductor. -
✔✔Coaxial
✔✔_________________ transmission line allows the greatest RF velocity (97% of the
speed of light) - ✔✔open 2-wire
✔✔_______________ transmission line allows the least velocity (60% of the speed of
light) - ✔✔Twisted Pair
✔✔A waveguide is defined as a system of material boundaries capable of guiding
_____________________ - ✔✔electromagnetic energy
✔✔The "a" width dimension determines ___________ and the "b" (height) dimension
determines _______________ - ✔✔frequency, power
✔✔Electromagnetic energy is produced by
_____________________________________________ - ✔✔current flowing through
the conductors
✔✔The physical handling and installation of a waveguide is called _____________ -
✔✔plumbing
✔✔_______________ are the result of improper waveguide joining or obstructions in
waveguides - ✔✔standing waves
✔✔Dummy load is a - ✔✔resistive load
