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Resonance
When the frequency of driving force become equal to the natural frequency of an oscillating system, the driving force provides maximum energy and the oscillating system begins vibrating with maximum amplitude. This phenomenon is called as Resonance.
Explain about the intermodal dispersion in optical fibers. Intermodal Dispersion Δτ im ) This dispersion arises even when light that is launched into the fiber is s
Permeability of free space; magnetic constant; mu_0 The ratio of the magnetic flux density in a substance is to the external field strength for vacuum. This is equal to 4 pi x
The Michelson interferometer was designed to study the nature of: a) water waves b) sound waves c) an "ether" d) sunlight Ans: The Michelson inte
Each phase of a delta-connected load comprises a resistance of 30Ω and an 80µF capacitor in series. The load is connected to a 400V, 50Hz, 3-phase supply. Calculate (
The constant potential difference across a 2 ohm resistor is 20 volts. How many watts of power are dissipated by this resistor? Ans: 200 watts of power are dissipated throug
What is the raw file size for an image of 80 rows and 100 columns, with pixels on 14 bits and with an extra row for the header? The minimum and maximum values observed in a
what are the characterstics of laser?
Materials which can be magnetized are called magnetic materials. When magnetized, such materials create a magnetic field around them. Some of the significant features of magnetic m
Factors on which Resistance Depends: Resistance of the conductor depends on the following factors. Nature of the conductor. Length of the conductor. Area of cross sect
A particle with mass m = 2:5 is moving along a straight trajectory. The distance covered by a particle is described by the function S(t) = t 3 + 2t 2 , where t > 0 is the time
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