MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Antenna Measurements knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The relation between the λg, λc, λ0 is given by ____ |
| A. | \(\frac{1}{λ_0} =\sqrt{\frac{1}{λ_g^2} +\frac{1}{λ_c^2}} \) |
| B. | \(\frac{1}{λ_g}=\frac{1}{λ_0^2} -\frac{1}{λ_c^2} \) |
| C. | \(\frac{1}{λ_0} =\sqrt{\frac{1}{λ_g^2} -\frac{1}{λ_c^2}}\) |
| D. | \(\frac{1}{λ_g}=\frac{1}{λ_0^2} +\frac{1}{λ_c^2} \) |
| Answer» B. \(\frac{1}{λ_g}=\frac{1}{λ_0^2} -\frac{1}{λ_c^2} \) | |
| 2. |
Which of the following is not used in the VSWR measurement? |
| A. | Reflective Klystron |
| B. | Slotted line |
| C. | Frequency meter |
| D. | Spectrum analyzer |
| Answer» E. | |
| 3. |
The empirical formula for the measurement of the high VSWR is give by ____ |
| A. | \(VSWR =\frac{λ_g}{π(d_2-d_1)}\) |
| B. | \(VSWR =\frac{λ_c}{π(d_2-d_1)}\) |
| C. | \(VSWR =\frac{λ_g}{2(d_2-d_1)}\) |
| D. | \(VSWR =\frac{2λ_g}{(d_2-d_1)}\) |
| Answer» B. \(VSWR =\frac{λ_c}{π(d_2-d_1)}\) | |
| 4. |
Which of the following level can be measurable by the Low VSWR? |
| A. | 15 |
| B. | 11 |
| C. | 9 |
| D. | 20 |
| Answer» D. 20 | |
| 5. |
The value of the SWR when the reflection power is equal to the incident power is ____________ |
| A. | 1 |
| B. | 0 |
| C. | ∞ |
| D. | 2 |
| Answer» D. 2 | |
| 6. |
If there are no any reflections, then the value of the SWR will be ________________ |
| A. | 1 |
| B. | 0 |
| C. | ∞ |
| D. | 2 |
| Answer» B. 0 | |
| 7. |
Relation between SWR ‘S’ and reflection coefficient ‘ρ’ is given by _________ |
| A. | \(S=\frac{1+ρ}{1-ρ}\) |
| B. | \(S=\frac{1-ρ}{1+ρ}\) |
| C. | \(S=\frac{1+ρ}{ρ}\) |
| D. | \(S=\frac{ρ}{1-ρ}\) |
| Answer» B. \(S=\frac{1-ρ}{1+ρ}\) | |