April 29, 2014

FCC Technician Exam Question Of The Day (T7C07)

Q) What happens to power lost in a feedline?

A) It is converted into heat

NJ2X Notes:
Energy can be neither created nor destroyed.  The law of conservation of energy (physics), states that the total amount of energy in an isolated system remains constant over time (conserved).  For an isolated system (such as a radio station and surrounding space), this law means that energy can change its location within the system, and that it can change form within the system.  For instance, some portion of the radio frequency (RF) energy transmitted through a feedline can be lost as heat.

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