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What are the needs of light sources for fibre optic communication?
Light sources for fibre optic communication should meet certain given requirements as illustrated below:
a. Monochromatic (to ignore chromatic dispersion)
b. Intense (transmission is probable for longer distances)
c. Capable of being simply modulated (for illustration by using LED and LD, modulation can be done simply unlike into gas ionization lamps and other kinds of lasers)
d. Small and compact (to couple fibres simply and effectively)
e. Durable and cheap
If and show that they constitute a possible electromagnetic field.
What do you understand by rectifier? Illustrate working of half wave and full wave rectifiers with diagrams. Show the expression for its efficiency? Define a transistor and illu
A CAR MOVING AT 25m/s ALONG A STRAIGHT LEVEL ROAD EXPERIENCE A RESISTANCE WHICH PRODUCES A RETARDATION OF 0.0001 V^3,WHERE V IS THE VELOCITY IN m/s.FIND THE DISTANCE TRAVELLED AND
Kinematics of Projectile Motion One of the powers of physics is its capability to use physics principles to form predictions about the final outcome of a moving object. Such pr
project
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If a meteorite hit the Earth and moved it 2.41x 10 10 m closer to Venus, How many days would there be in an Earth year?
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