MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The symmetry of BaTiO3 in ferroelectric form is _________ |
| A. | Cubic |
| B. | Tetragonal |
| C. | Trigonal Bipyramidal |
| D. | Octahedron |
| Answer» C. Trigonal Bipyramidal | |
| 2. |
The curie temperature for KH2PO4 is ________ |
| A. | 100 K |
| B. | 123 K |
| C. | 178 K |
| D. | 273 K |
| Answer» C. 178 K | |
| 3. |
Which part of the curve shows Spontaneous Polarization? |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 4. |
Which quantity of a ferroelectric material varies with temperature in the following graph? |
| A. | Polarization |
| B. | Polarizability |
| C. | Dielectric Constant |
| D. | Hysteresis loop |
| Answer» D. Hysteresis loop | |
| 5. |
What happens in Ferroelectric material when T < Tc? |
| A. | Non-polarized |
| B. | Spontaneously polarized |
| C. | Becomes Para-electric |
| D. | Hysteresis loss |
| Answer» C. Becomes Para-electric | |