MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If a FM signal having modulation index mf is passed through a frequency tripler, then the modulation index of output of frequency tripler is ________ |
| A. | m<sub>f</sub> |
| B. | 3m<sub>f</sub> |
| C. | <sup>1</sup> <sub>3</sub> m<sub>f</sub> |
| D. | <sup>1</sup> <sub>9</sub> m<sub>f</sub> |
| Answer» C. <sup>1</sup> <sub>3</sub> m<sub>f</sub> | |
| 2. |
If the spectrum of a narrow band noise is symmetrical and it has a power density spectrum 4 10-6. Power density of quadrature component is ________ |
| A. | 2 x 10<sup>-6</sup> |
| B. | 5 x 10<sup>-6</sup> |
| C. | 3 x 10<sup>-6</sup> |
| D. | 4 x 10<sup>-6</sup> |
| Answer» B. 5 x 10<sup>-6</sup> | |
| 3. |
Any signal and its Hilbert transform have same energy density spectrum. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
What is the use of SSB? |
| A. | It has lesser bandwidth |
| B. | It has large bandwidth |
| C. | It has infinite bandwidth |
| D. | It has zero bandwidth |
| Answer» B. It has large bandwidth | |