MCQOPTIONS
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MCQOPTIONS
| 1. |
Which frequencies is produced if Va sin⁡(ωa t) amplitude modulates the carrier Vc sin⁡(ωc t)?$ |
| A. | (ω<sub>c</sub> + ω<sub>a</sub>), (ω<sub>c</sub> – ω<sub>a</sub>) and ω<sub>c</sub> |
| B. | (ω<sub>c</sub>) and (ω<sub>a</sub>) |
| C. | (ω<sub>c</sub> + ω<sub>a</sub>) and (2ω<sub>c</sub> + 2ω<sub>a</sub>) |
| D. | (2ω<sub>c</sub>) and (2ω<sub>a</sub>) |
| Answer» B. (‚âà√¨‚àö¬¢<sub>c</sub>) and (‚âà√¨‚àö¬¢<sub>a</sub>) | |