Arunachal Pradesh Assistant Engineer Previous Year Question Paper 2016 on Electronics & Communication
| Arunachal-Pradesh-PSC-AE-2016-Electronics_Telecommunication-Objetcive | |
| Sr. No. | Questions with multiple options |
| 1. | The temperature below which certain materials are antiferromagnetic and above which they are paramagnetic is called
(a) Curie temperature (b) Neel temperature (c) Weiss temperature (d) None of the above |
| 2. | As the aperture area of an antenna increases, its gain
(a) Increases (b) Decreases (c) Remains same (d) Behave unpredictably |
| 3. | Two wires A and B of the same material and length l and 2l have radius r and 2r respectively. The ratio of their specific resistance will be.
(a) 1 : 1 (b) 2 : 1 (c) 4 : 1 (d) None of the above |
| 4. | In cell phone, antennas are
(a) Monopole (b) Loops (c) Helical (d) Lens |
| 5. | Antenna commonly used for microwave links is
(a) Loop antenna (b) Log periodic antenna (c) Parabolic antenna (d) Rhombic antenna |
| 6. | Power consumed in an ac circuit will be minimum when phase difference between current and applied voltage is,
(a) 0° (b) 90° (c) 180° (d) 30° |
| 7. | The base station and the mobile station in cellular networks are generally linked by,
(a) Sky wave propagation (b) Ground wave propagation (c) Medium wave propagation (d) Line of sight propagation |
| 8. | Cells are connected in series to increase
(a) Current rating (b) Voltage rating (c) Both voltage and current rating (d) None of the above |
| 9. | An electric heater is rated as 230V. 500W, ac. The value 230V refers to
(a) average value (b) peak value (c) rms value (d) peak-to-peak value |
| 10. | Form factor for dc de supply voltage is always
(a) zero (b) unity (c) infinity (d) any value between 0 and 1 |
| Published on 2nd Oct 2021 | |
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