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Q. Illustrate about Optical Memories?
In 1983 one of the most successful consumer products of all times was introduced which is compact disk (CD) digital audio system. This CD was a non-erasable disk which could store more than 60 minutes of audio information on one side. Huge commercial success of this CD enabled development of low-cost optical-disk storage technology that has revolutionised computer data storage. Some optical-disk systems has been introduced. We briefly review each one of these.
A ball dropped from a balloon at rest clears a tower 81m high during the last quater second of its journey. Find the height of the balloon and the velocity of the body when it rea
A) Wirte two materials that are magnetic and two that are non-magnetic? B) Explain magnetic induction C) Describe what is meant by "Magnetomotive" force?
Three similar coils, each having a resistance of 8 and an inductive reactance of 8 are connected (a) in star and (b) in delta, across a 415V, 3-phase supply. Measure for
eqution of two perpendicular of somple harmonic otion of same period
ZENER DIODE: It is a two terminal semiconductor junction device with a very sharp voltage breakdown at reverse bias applied. The device is utilized to give a voltage reference.
Question Gauss's Law can be considered a cause and effect equation. When consequently considered on which side of the equation is the cause and on which side is the effec
A car of mass 800 kg is pulling a trailer of mass 300 kg up the slope of angle ? to the horizontal where sine ? = 1/200. Resistance to motion (apart from gravity) is 1.5 N per kg o
Consider the 4-f system below where an object is placed at the input plane and is illuminated by a plane wave With the object from part a) inserted in the input plane, a m
A proton with a velocity of 3.98 x 10 4 m/s perpendicular to the direction of a magnetic field follows a circular path with a diameter of 4.12 cm. If the mass of a proton is 1.
What are the Merits of Semiconductor Diode over Vacuum Diode: (i) Smaller in size (ii) Greater efficiency (iii) Cheaper (iv) Robust
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