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An amplifier has an input voltage of 8 mV and an output voltage of 480 mV. The input current in phase with the voltage is 200μA and the power gain is 3000. Determine:
(a) the voltage gain;
(b) the output power;
(c) the output current.
A 4.7 k? resistor is placed across a 25 volt source, how much power is being drawn from the source?
a small loop of wire of radius 1.8cm is placed at the center of a wireloop with radois 25cm. the planes of loops are perpendicular to eachother and a 7A current flows in each. Estimate the torque the large loop exerts on the smaller one.
A 100 MW unit with 0.05 puturbine regulation operates in parallel with a 500 MW unit of identical turbine regulation. For a specific amount of power demand increase, find the ratio of sharing of the load by the units, system frequency is 50 Hz.
Capture the peak wavelength value - The Labview blocks should capture the peak wavelength value and use a multiplier of 10000000 to get measured voltage
Determine the settings Z1, Z2 & Z3 for the relay at B12.
What are the consequences of high harmonic distortion levels? and what are the Negative Consequences of Harmonics on Plant Equipment ?
The initial voltage across the capacitor shown in Figure is vC(0+) = 10V. Find an expression for the voltage across the capacitor as a function of time. Also, determine the time t0 at which the voltage crosses zero.
A sample of silicon contains 1x1018/cm3 donors. Below what temperature does it cease to show intrinsic properties if the band gap is 1.12ev and the intrinsic carrier concentration is 2x1016/cm3 at 300K.
why there is no earthing in television, rather it is a very complicated and its plug is always 2 pin. On the other hand mobile charger has got 3 pin plug and therefore earthing is done in it while charging of mobile.
The current entering the positive terminal of a device is 5e-4t A and the voltage across the device is 2 di/dt V. Find the charge delivered to the device between t = 0 and t = 2 s.
In the absence of any special knowledge of network conditions, the typical approach is to pick an arbitrary value, such as 3 s, and hope that this will converge quickly to an accurate value. If this estimate is too small, TCP will perform unnecess..
(a) Determine the Fourier series coefficients of x(t) (b) Determine the Fourier series coefficients of y(t) (c) Determine the Fourier series coefficients of z(t) through direct expansion of z(t) in trigonometric form.
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