ECE :: Exam Questions Paper
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In which direction is the plane wave E = 50 sin (108t + 2z)
V/m (where is the unit vector in y-direction), travelling? -
Which one of the following compounds is widely used for making ferrites?
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Assertion (A): Cut-in voltage for Germanium diode is greater than that for silicon diode.
Reason (R): Germanium diode has a higher reverse saturation current than silicon diode.
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What can be the maximum dimension of an array in C language program?
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Choose the correct statement
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For plane wave propagating in free space or two conductor transmission line, what must be the relationship between the phase velocity vp , the group velocity vg and speed of light c?
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The silicon sample with unit cross-sectional area shown below is in thermal equilibrium. The following information is given: T = 300 K, electronic charge = 1.6 x 10-19C, thermal voltage = 26mV and electron mobility = 1350 cm2/V-s
The magnitude of the electric field at x = 0.5 μm is -
Assertion (A): The small signal analysis of a transistor amplifier is done to obtain the current gain, voltage gain and the conversion efficiency of an amplifier.
Reason (R): The small signal analysis of a transistor amplifier uses the small signal parameters of the transistor.
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