Free tnpsc model questions Online Test - MeritNotes

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1. Radar uses _____ to detect and to fix the position of targets at a distance.

2. Modulation factor describes the extent to which the _____ of the carrier wave is changed by the audio signal.

3. A modem converts

4. Printed documents to be transmitted by fax are converted into electrical signals by the process of

5. The electromagnetic waves entering into the ionosphere are _____ by the ionosphere.

6. Crystal controlled oscillator generates

7. Audio signals are converted into sound signal using

8. Radiowaves are propagated in three different ways from the transmitting to the receiving antenna depending on the _____ of the wave.

9. Medium wave signals received during the day time use _____ propagation.

10. The wave form of the phase modulated wave is similar to that of

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