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CBSE Physics Communication Systems – concept map, question bank and value based questions

Communication Systems – concept map

[gview file=”http://www.askphysics.com/wp-content/uploads/2016/01/concept-map-for-communication-chapter.pdf”]

Communication Systems Р question bank

[gview file=”http://www.askphysics.com/wp-content/uploads/2016/01/graded-questions.pdf”]

Communication Systems – value based questions

[gview file=”http://www.askphysics.com/wp-content/uploads/2016/01/value-based-questions3.pdf”]

Cable transmission of signals

HS Varun asked:

How is it possible to transmit a no. of channels through the same cable ?
Is it based on the concept of Bandwidth ?

Answer:

In a cable TV system, each channel is assigned a range of frequency (6-8MHz range)

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