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Do fibers have losses?
Everything in the universe is inefficient. It means that while a measured amount of something enters in a system, less comes out than initially went in. When you pour a liter of water in one end of a pipe, then you will always find less than a liter out of the other end. When you apply a voltage to the extreme of one wire, it doesn't matter how you do this, you will find a lesser value at the other end.
Fiber optics are no exception that the light entering one end encounters all types of obstacles and flaws, which are resulting in losses; from 2 to 10 percent for every running meter.
Marine Application:- Suitably designed one or double speed squirrel cage induction motors are used.
Determine q, q = ax2¬- 2by + c2z2 where a, b and are c are constant at (1, -2, 3)
Cathode rays are made up of: (1) Positively charged particles (2) Negatively charged particles (3) Neutral particles (4) None of these Ans: (2)Negatively charged pa
A sky diver in free fall reaches a speed of 65.2 m/s when she opens her parachute. The parachute quickly slows her down to 7.30 m/s at a constant rate of 29.4 m/s 2 . During th
A converging thin lens has a focal length of 27 centimetres. An object is placed 9 centimetres from the lens. Where is the image of this object formed? Ans: The images of g
lux; lx: The derived SI unit of illuminance equivalent to the illuminance generated by a luminous flux of 1 lm distributed consistently over an area of 1 m 2 ; therefore it ha
Why the work called scalar quantity?
I want a clear explanation body full wave rectifier.
A coil of inductance 159.2mH and resistance 40 is connected in parallel with a 30µF capacitor across a 240V, 50Hz supply. Calculate (a) the current in the coil and its phase ang
A flow rate of 200 gpm of oil with u=1.5 x 10 -3 lb-sec/ft2 and p=1.7 slug/ft3 occurs in a 4-in pipe. Determine the Reynolds number. Classify the flow as laminar or turbulent. Wha
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