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Class 12 Physics Practice Test: Basic Terminologies in Electronic Communication
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Class 12 Physics Practice Test: Basic Terminologies in Electronic Communication
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10 Questions

1. What is defined as the largest distance between the source and the destination upto which a signal can be received with sufficient strength?
2. A transmitter is a device which recovers the original message signal from the signal received at the output of the communication channel.
3. What refers to the band of frequencies of the original signal?
4. ‘X’ refers to the frequency range over which equipment operates or the range over which the frequencies in a signal vary. Identify ‘X’.
5. What is the loss of strength of a signal during its propagation called?
6. What is defined as the largest distance between the source and the destination upto which a signal can be received with sufficient strength?
7. Name the process of recovering the original information signal from the modulated wave at the receiver end.
8. Identify the device which is a combination of a transmitter, an amplifier and a receiver which picks up a signal and retransmits it.
9. What is the electrical analogue of the information produced by the source?
10. What is meant by the term communication?

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