License Exam Quiz #280
de Steve, AE8AT

This week the quiz was generated by rolling dice to select a question from each question pool.


T4A05 Where should an RF power meter be installed?
A. In the feed line, between the transmitter and antenna
B. At the power supply output
C. In parallel with the push-to-talk line and the antenna
D. In the power supply cable, as close as possible to the radio


G9D11 Which of the following is a disadvantage of multiband antennas?
A. They present low impedance on all design frequencies
B. They must be used with an antenna tuner
C. They must be fed with open wire line
D. They have poor harmonic rejection


E5C02 How are impedances described in polar coordinates?
A. By X and R values
B. By real and imaginary parts
C. By magnitude and phase angle
D. By Y and G values



Answers:
T4A05 = A
G9D11 = D
E5C02 = C