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This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Tissue Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
A dielectric resonator oscillator (DRO) is an electronic component that exhibits resonance of the polarization response for a narrow range of frequencies, generally in the microwave band. |
A. | Dielectric resonator oscillator |
B. | Armstrong Oscillator |
C. | Crystal Oscillator |
D. | Hartley oscillator |
Answer» B. Armstrong Oscillator | |
2. |
__________ is the ability of many materials (specifically ceramics) to become polarized under an applied electric field. |
A. | Paraelectricity |
B. | Ferrielectrecity |
C. | Neitrielectricity |
D. | Dielectricity |
Answer» C. Neitrielectricity | |
3. |
_______________ relaxation comprises ionic conductivity and interfacial and space charge relaxation. |
A. | Ionic |
B. | Dielectric |
C. | Conductive |
D. | Spectroscopic |
Answer» B. Dielectric | |
4. |
Debye relaxation is the dielectric relaxation response of an ideal, noninteracting population of dipoles to an alternating external electric field. |
A. | TRUE |
B. | FALSE |
Answer» B. FALSE | |
5. |
______________ relaxation as a whole is the result of the movement of dipoles (dipole relaxation) and electric charges (ionic relaxation) due to an applied alternating field. |
A. | Dielectric |
B. | Capacitor |
C. | Transducer |
D. | Electrochemical |
Answer» B. Capacitor | |
6. |
Atomic polarization is observed when the nucleus of the atom reorients in response to the electric field. |
A. | TRUE |
B. | FALSE |
Answer» B. FALSE | |
7. |
_________ spectroscopy is based on the interaction of an external field with the electric dipole moment of the sample, often expressed by the permittivity. |
A. | Dielectric |
B. | Capacitor |
C. | Transducer |
D. | Electrochemical |
Answer» B. Capacitor | |
8. |
Impedance spectroscopy measures the resistance and capacitance properties of material via application of a ______________ air conditioning excitation signal of c. 2 10 mV. |
A. | sinusoidal |
B. | linear |
C. | exponential |
D. | declining |
Answer» B. linear | |