License Exam Quiz #358

de Steve, AE8AT 

After the Christmas quiz there was a suggestion to do the same for St. Valentine’s Day. Well, there are only so many cardioid questions in the pools. So, drawing questions at random from the least used section of each question pool! 

T7C11 What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

A. It has more loss per foot

B. It cannot be used for VHF or UHF antennas

C. It requires special techniques to prevent moisture in the cable

D. It cannot be used at below freezing temperatures

G8B01 Which mixer input is varied or tuned to convert signals of different frequencies to an intermediate frequency (IF)?

A. Image frequency

B. Local oscillator

C. RF input

D. Beat frequency oscillator

E6D06 What core material property determines the inductance of an inductor?

A. Permittivity

B. Resistance

C. Reactivity

D. Permeability

Answers:

T7C11 = C

G8B01 = B

E6D06 = D