MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following expression is correct? |
| A. | \(\frac{L_N}{L_{N+1}} = \frac{S_N}{S_{N+1}} = τ\) |
| B. | \(\frac{L_N}{L_{N+1}} = \frac{S_{N+1}}{S_N} = τ\) |
| C. | \(\frac{L_N}{L_{N+1}} = \frac{S_{N+1}}{S_N} = \frac{1}{τ} \) |
| D. | \(\frac{L_N}{L_{N+1}} = \frac{S_N}{S_{N+1}} = \frac{1}{τ} \) |
| Answer» B. \(\frac{L_N}{L_{N+1}} = \frac{S_{N+1}}{S_N} = τ\) | |
| 2. |
The relation between the dipole spacing and the scaling factor τ in LPDA is given by _________ |
| A. | \(\frac{S_N}{S_{N+1}} = τ\) |
| B. | \(\frac{S_N}{S_{N+1}} = \frac{1}{τ} \) |
| C. | \(\frac{S_N}{S_{N+2}} = τ\) |
| D. | \(\frac{S_{N+2}}{S_N} = τ\) |
| Answer» B. \(\frac{S_N}{S_{N+1}} = \frac{1}{τ} \) | |
| 3. |
The ratio of adjacent spacing of dipoles and its lengths in the LPDA are not equal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The relation between the dipole lengths and the scaling factor τ in LPDA is given by _________ |
| A. | \(\frac{L_N}{L_{N+1}} =τ\) |
| B. | \(\frac{L_N}{L_{N+1}} =\frac{1}{τ} \) |
| C. | \(\frac{L_N}{L_{N+2}} =τ\) |
| D. | \(\frac{L_{N+2}}{L_N} =τ\) |
| Answer» B. \(\frac{L_N}{L_{N+1}} =\frac{1}{τ} \) | |
| 5. |
In frequency independent antennas, the antennas are defined in terms of _________ |
| A. | Angles |
| B. | Wavelengths |
| C. | Range |
| D. | Frequency |
| Answer» B. Wavelengths | |
| 6. |
Which of the following band of frequency the LPDA operates? |
| A. | VHF & UHF |
| B. | UHF & MF |
| C. | MF & HF |
| D. | HF & UHF |
| Answer» B. UHF & MF | |
| 7. |
Frequency range of LPDA is ________ |
| A. | 3 MHz to 30 MHz |
| B. | 30 KHz to 30 GHz |
| C. | 30 MHz to 3 GHz |
| D. | 300 KHz to 300GHz |
| Answer» D. 300 KHz to 300GHz | |