MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The relation between the spacing factor σ and the scaling factor τ is given by ____ |
| A. | \(σ=tan^{-1}(\frac{1-τ}{4σ}) \) |
| B. | \(σ=tan^{-1}(\frac{1-τ}{2σ}) \) |
| C. | \(σ=tan^{-1}(\frac{4σ}{1-τ}) \) |
| D. | \(σ=tan^{-1}(\frac{2σ}{1-τ}) \) |
| Answer» B. \(σ=tan^{-1}(\frac{1-τ}{2σ}) \) | |
| 2. |
The longest and shortest dipole lengths are taken in the form of the wavelength of the operating frequencies in LPDA. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The value of periodicity factor in LPDA is _____ |
| A. | < 1 |
| B. | >1 |
| C. | ≥1 |
| D. | =0 |
| Answer» B. >1 | |
| 4. |
What is the ratio of maximum frequency to minimum frequency if the scaling factor is 0.5 for 5 elements LPDA? |
| A. | 16 |
| B. | 2 |
| C. | 4 |
| D. | 8 |
| Answer» B. 2 | |