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Home/cbse exams 2020/Page 2

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Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

Three waves A, B and C of frequencies 1600 kHz, 5 MHz and 60 MHz, respectively are to be transmitted from one place to another. Which of the following is the most appropriate mode of communication:

Select the correct answers.

cbsecbse exams 2020class 12class 12 physicscommunication systemsncertncert solutions
  • 1 1 Answer
  • 681 Views
  • 8 Votes
Answer
Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

A male voice after modulation-transmission sounds like that of a female to the receiver. The problem is due to

Which one is correct as per you. 12th students must try.

cbsecbse exams 2020class 12class 12 physicscommunication systemsncertphysics
  • 1 1 Answer
  • 428 Views
  • 6 Votes
Answer

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