Telephone Engineering » Exercise - 16. The following are the transmission media used for telephone systems except : (a) parallel wire (b) coaxial cable (c) fiber optics (d) NOTA
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Telephone Engineering » Exercise - 113. The voice frequency channel pass band is : (a) 0 to 4000 Hz (b) 300 to 3000 Hz (c) to carry only speech (d) all of the preceding
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