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Eight channels of analog information are being used by a computer to close eight control loops. Assume that all analog signals have identical frequency content and are multiplexed into a single ADC. The ADC requires 100 µs per conversion. The closed-loop software requires 500 µs of computation and output time for four of the loops, and for the other four it requires 250 µs. What is the maximum frequency content that the analog signal can have according to the Nyquist criterion?
A constant current I flows in the loop. Use the Biot-Savart Law to calculate the H -field along the z-axis.
A separately excited DC motor runs at1500 rpm under no load with 200 V applied to the armature.The field voltage is maintain at its rated value. The speed of the motor, when it delivers a torque of 5 Nm ,is 1400 rpm.
A silicon abrupt junction in thermal equilibrium at T= 300k is doped such that Ec-Ef = 0.21eV in the n region and Ef - Ev = 0.18eV in the p region. Determine the impurity doping concentrations in each region.
Find and sketch this system's output when the input is the depicted signal (Figure 2.19).
A sinusoid generator output voltage is ACOSWt.- The output is sampled randomly.- Determine Mean.- Determine Variance of the sampled output X.
A six-pulse diode rectifier fed from a 460-v ac line charges a 480-v battery pack. Is the charging current continuous or discontinuous? sketch the output voltage and current waveforms.
A jet has 4 engines. Each engine gives a FAIL signal which is TRUE if the engine is broken, and is FALSE if the engine is working fine. The plane can fly as long as at most 1 engine is broken.
Shielding Effectiveness with copper and steel at equality, Determine the frequency at which two 1 mm thick shields, one made of copper and the other of steel
consider the following two first-order transfer functions H1 (z) = z + b/z + a , a = 0.3, b = - 0.4 H2(z) = bz + 1/z + a , a = 0.3, b = - 0.4 (a) draw the pole-zero plot for both transfer function H1(z) and H2(z)
A simple relay has an air gap of length 1.0mm and effective cross-sectional area of 1000mm2. The magnetising coilconsists of 1000 turns of wire carrying current of 200mA. Calculate the energy stored in the air gap.
Suppose a car of mass m moving on a straight west-east highway at velocity v(t) (positive for motion from west to east) experiences aerodynamic drag force with magnitude v(t) opposing its motion.
Assume the resistance of a human person was 500 ohms, if a person was struck by lightning with a peak voltage of 100,000 volts, what was the peak current that would flow through the person
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