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Draw the cascade connection of two amplifiers. Write an expression for the open-circuit voltage gain of the cascade connection in terms of the open-circuit voltage gains and impedances of the individual amplifiers.
Explain a basic measurement system and explain the basic working principles of a variety of temperature sensors.
Calculate the minimum value of Vd if the power flow through the converter is 5 kW (a) from the ac to the dc side and (b) from the dc to the ac side.
The sampled signal is passed through an ideal LPF which rejects all frequencies above 8 kHz and has a gain Ts. Les sR(t) be the output of the LPF. Sketch LT[sR(t)], in which FT[] denotes the Fourier Transform, in frequency domain.
A 30kVA, 50 Hz, 4 pole alternator connected to an infinite bus at rated voltage has Xd = 1.00pu and Xq = 0.6 pu. For zero excitation find the output interms of rated power that the machine can deliver without loss of synchronism.
a semiconductor in thermal equilibrium has a hole concentration of p0 2x1016 cm-3. the minority carrier life time
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.
An Alternator is found to have its terminal voltage on load condition more than that on no load. What is the nature of the load connected
A vibration trandsucer measures a sinusoidal signal with up to a 100-hz frequency and an amplitude of + and - 5 v. Superimposed on this signal is an additional signal with a freq of 1000 hz. and amplitude of .2
Find the heat energy generated by this amplifier. Assuming the BJT power transistor has a maximum junction temperature of 155 0C, if the ambient temperature is 25 0C, find the maximum allowable thermal resistance from the junction to ambient.
Your program should prompt the user to input the radius and height. The program should output the result with three digits after the decimal point. The output should include some explanatory text.
How to determine the suitable size of cable for Electrical Wiring Installation and please with Solved Examples.
A solid sphere with a radius of 75 mm rolls (without slipping) down an inclined plane that is 5 m long. What is the angular velocity of the sphere at the bottom of the plane if it requires 10 seconds for it to reach the bottom
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