ECE :: Exam Questions Paper
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The following k-map implements
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The Z-transform of a signal is given by
its final value is __________ . -
A surface charge density of 8 nc/m2 is present on a plane x = z. A line charge density of 30 nC/m is present on line x = 1, y = 2 Find VAB for points A(3, 4, 0) and B(4, 0, 1)
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The electric field vector
of a wave in free space (εo, μo) is
Its magnetic field vector
will be given by -
A uniform plane wave is described by the equation H =
A/m. If the velocity of the wave is 2 x 108 m/s and εr = 1.8, then. The frequency of the wave is -
Consider two random processes x(t) and y(t) have zero mean, and they are individually stationary. The random process is z(t) = x(t) + y(t). Now when stationary processes are uncorrelated then power spectral density of z(t) is given by
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= 144pv = 452.16v 
(use B = μ0 H) .
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