Which fibre is utilised to protect the inner core and prevent the cable from straining in fiber-optic cabling
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- How does the shielding in a coaxial cable affect its performance in transmitting data, and in what situations is it preferred over unshielded cables?If the signal at the end of a 6km cable has a power value of 2, if you knew that this cable loses 0.5 dB per km (i.e. -0.5 dB/km), then the power of the signal at the beginning of the cable was ..............What fiber is used in fiber-optic cabling to protect the inner core and prevent the cable from stretching?What fiber is used in fiber-optic cabling to protect the inner core and prevent the cable from stretching?
- Computer Science Calculate the length of cable through which a signal can be sent before its powerdecreases to half the original value. Do this for each of the media types aboveassuming that the attenuation in twisted pair cables is 6 dB/km, in coaxial cableis 1.5 dB/km and in optical fiber is 0.3 dB/km. Please show every step briefly.QUESTION 15 A Television broadcasting service uses a single coaxial cable with a bandwidth of 680 MHz to transmit multiple TV channels to their subscribers. Each TV channel is 6 MHz wide. How many channels can be carried if each channel has to be separated by a 1 MHz guard band?What are the propagation modes in multimode and single-mode fiber-optic cables?
- How does the structure of a coaxial cable differ from that of a twisted-pair cable, and what are the advantages of each design in specific scenarios?What is the significance of twisted pairs in Ethernet cables?How do mode field diameters influence compatibility and performance in fiber-optic connections?