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Give a figure that represents some basic gray level transformation functions used for image enhancement.
A student has a coil of unknown inductance and resistance. He connects it in series with a 100 ohm resistor, places a voltmeter across the resistor, and connects the whole circuit to a power supply. When the power supply is 60 V DC
A Y-connected synchronous generator rated 100 MVA, 13.2 kV has a rated impedance of R = 5% and XS = 80% per-unit. It is connected to a j10Ω transmission line through a 13.8/120 kV, 100 MVA, Δ-Y transformer with a rated impedance of R = 2% and..
Construct a 4-to-16-line decoder with five 2-to-4-line decoders (74LS139A). Use a block diagram for components and clearly show your address select variables.
An electric field E = 10z(hat) V/m exists in air (for which epsilon_r = 1) in the region defined by the equation z > 0. A dielectric medium with epsilon_r = 5 exists in the region defined by the equation z
1)what are the significance of threshold voltage in enhancement mode MOSFET and depletion type MOSFET 2) draw the input , output and transfer characteristics of MOSFET
Over a period of 10 seconds, how much charge moves through the element. If electrons carry the charge, which terminal do they enter. How much energy os transferred. Is it delevired to the element or taken from it.
An opera glass uses an objective and eyepiece with focal lengths of +12 cm and -4.0, respectively. Determine the length (lens separation) of the instrument and its magnifying power for a viewer whose eyes are focused (a) for infinity and (b) for a..
The addition of a 20-kvar capacitor bank improved the power factor of a certain load to 0.90 lagging. Determine the complex power before the addition of the capacitors, if the final apparent power is 185 kVA.
The microprocessor then reads the 8-bit data from the dip switch and puts the value in memory starting at location called ‘BUFFER' . This same data is sent to a digital-to-analog converter ( D/A) whose output drives a dc motor.
From a point source inside the ocean we generate a sound wave. This wave propagates isotropically (the same in all direction, spherical wave) with frequency of f= Hz. The amplitude of the wave at m from the source of the sound is Sm=m.
Draw the equivalent block diagram representation of the above three control schemes (structures).
A current sheet with K =10ax A/m lies in free space in the z =2m plane. A filamentary conductor on the x-axis carries acurrent of 2.5A in the axdirection. Determine the force per unit length on the conductor.
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