MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the polarisation of the wave given that, Ex = 2 sin wt and Ey = 3 sin wt. |
| A. | tLinear |
| B. | tElliptical |
| C. | tCircular |
| D. | tParallel |
| Answer» B. tElliptical | |
| 2. |
When the polarisation of the receiving antenna is unknown, to ensure that it receives atleast half the power, the transmitted wave should be |
| A. | tLinearly polarised |
| B. | tElliptically polarised |
| C. | tCircularly polarised |
| D. | tNormally polarised |
| Answer» D. tNormally polarised | |
| 3. |
The Snell law is applicable for perpendicular polarisation and the Brewster law is applicable for parallel polarisation. State True/False. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 4. |
Identify the polarisation of the wave given that, Ex = 2 cos wt and Ey = cos wt. |
| A. | tElliptical |
| B. | tCircular |
| C. | tParallel |
| D. | tLinear |
| Answer» E. | |
| 5. |
For a non-zero Ex component and zero Ey component, the polarisation is |
| A. | tParallel |
| B. | tPerpendicular |
| C. | tElliptical |
| D. | tCircular |
| Answer» B. tPerpendicular | |
| 6. |
Identify the polarisation of the wave given, Ex = 2 cos wt and Ey = 2 sin wt. The phase difference is +900. |
| A. | tLeft hand circularly polarised |
| B. | tRight hand circularly polarised |
| C. | tLeft hand elliptically polarised |
| D. | tRight hand elliptically polarised |
| Answer» B. tRight hand circularly polarised | |
| 7. |
Identify the polarisation of the wave given, Ex = 2 cos wt and Ey = sin wt. The phase difference is -900. |
| A. | tLeft hand circularly polarised |
| B. | tRight hand circularly polarised |
| C. | tLeft hand elliptically polarised |
| D. | tRight hand elliptically polarised |
| Answer» E. | |