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What is the use of optical fibre?

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Physics on finger tips

As you know we use electrical cables to carry electrical signals while optical fiber carry optical signals. Previously cables were mostly used for these transmissions. Now a days we are using fiber because it is more economical its cost to carry the same no. of signals is less than cable. For this we...
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As you know we use electrical cables to carry electrical signals while optical fiber carry optical signals. Previously cables were mostly used for these transmissions. Now a days we are using fiber because it is more economical its cost to carry the same no. of signals is less than cable. For this we convert electrical signal to optical signal by LED (light emitting diode) transmit over Fiber. read less
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An elevator weighs 3000kg. What is its acceleration when the in the tension supporting cable is 33000N. Given that g = 9.8m/s2.
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