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A battery has a measured voltage of 12.6 V when the circuit switchis open. The internal resistance of the battery is 0.25 ohms. Thecircuit contains resistors of 6.8, 13.7, and 63 ohms connected in parallela. Draw the circuit diagramb. Find the current flow through the battery when the switch is closed.c. Find the power consumed by the 6.8 ohm resistor d. Calculate the rate at which heat must be removed from the battery.
If a 250 us period clock signal must be transmitted with a 10 kHz data signal on the same link, then what is the minimum bandwidth necessary to support both signals.
Three series impedances of 33 ohm, 6j ohm and 87j ohm W are connected in star across a 220-V, three-phase supply. Sketch the circuit diagram and the phasor diagram (Take Vab as reference). Calculate the total power in kW.
(i) Draw a diagram of the loads. Determine: (ii) The apparent power (kVA), active power (kW) and reactive power (kVAr) of each of the three loads. (iii) The total apparent power kVA, total active power (kW) and the total reactive power (kVAr) of the ..
Assume white Gaussian noise of zero means and power spectral density No/2 is added to the signal at the receiver input. Find the expression for SNRout (SNR at the output of the receiver)
A linear time-invariant continuous-time system has the impulse response below: h(t) =[cos 2t + 4 sin 2t]u(t) 1. Determine the transfer function H(s) of the system. Use the Laplace transform pairs table for this. 2. Plot the system impulse response..
In a certain balanced three-phase system, each line current is 5A and each line voltage is 220 V. What is the approximatereal power, if the power factor is 0.7
Suppose you have 20 identical capacitors in a series RCLcircuit. All of these capacitors are in series. How many of these capacitors much be removed so the resonant frequency is cut inhalf
Two amplifiers are cascaded, one with a voltage gain of 6 db and the other with a voltage gain of 4. If 1 V is applied at the input of the first amplifier, what is the voltage at the output of the second amplifier
a) Determine if the following expression is valid by using a truth table and by using algebraic manipulation: X1X3' + X2X3 + X2'X3' = ( X1 + X2' +X3)(X1 + X2 + X3')(X1' + X2 + X3) b) Use algebraic manipulation to show if x'(y' + z') = x'y' +x'z'
Solar Cell Consider a GaAs PN junction solar cell with the following parameters. Na=10^17 cm^-3, Nd= 2*10^16 cm^-3, Dn=190 cm^2/s, Dp=10 cm^2/s, Tn0=10^-7s, and Tp0=10^-8s.
Given the function f(X1, X2, X3, X4) = fm(0,1,4,6,911,14,15). Implement the function f using a 4:1 multiplexer. Assume that inputs are available in both forms: complemented and non-complemented. Use only the multiplexer.
Zinc metal can be obtained from zinc oxide (ZnO), by reaction at high temperature with carbon monoxide (CO). ZnO(s) + CO(g) Zn(s) + CO2(g)The carbon monoxide is obtained from carbon.2C(s) + O2(g) 2CO(g)
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