This set of RF & Microwave Circuit Design Multiple Choice Questions & Answers (MCQs) focuses on “Dielectric Resonators”.
1. Dielectric resonators use materials that are less lossy.
a) true
b) false
2. The major disadvantage of dielectric resonators is:
a) complex construction
b) field fringing
c) requirement of high dielectric constant
d) none of the mentioned
3. A dielectric material in the form of a small cube or disc can be used as a resonator.
a) true
b) false
4. One of the most commonly used dielectric materials is:
a) barium tetratetanate
b) titanium
c) teflon
d) none of the mentioned
5. If a dielectric resonator has a dielectric constant of 49, then the reflection coefficient of the dielectric resonator is:
a) 0.5
b) 0.75
c) 0.1
d) 0.7
6. The approximate loaded Q due to dielectric loss for a dielectric resonator given the loss tangent is 0.0001 is:
a) 1000
b) 500
c) 2000
d) 10000
7. The resonant frequency of a dielectric resonator cannot be mechanically tuned.
a) true
b) false
8. Q factor does not exist for dielectric resonator.
a) true
b) false
9. The direction of propagation is in z direction outside the dielectric in the resonator.
a) true
b) false
10. A dielectric resonator is considered to be closed at both the ends.
a) true
b) false