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ou have two voltage sources, source A and B. Let's say you are designing some type of controller that requires a signal equivalent to the following mathematical expression.
Vout = 2Va + 3Vb.
Design a circuit using ideal op-amps that will acheive this. The voltage sources will tolerate a load of no less than 1kO, so keep this in mind when designing your circuit. Draw the circuit and show all work.
Hint: Since a true summing amplifier is inherently inverting, be sure to account for this to achieve the correct overall polarity.
A 3uF capacitor is charged to 100 V. If it is the connected in parallel with a 10 uF capacitor, what voltage will be across the capacitors
Consider a magnetic dipole carrying a current I. a. Calculate the magnetic flux density B at a point P specified in spherical coordinates. Express the answer in terms of the magnetic dipole moment m. Justify all the assumptions adopted.
Find the first 10 coefficients Xn, x = 1,2.....,10 in exponential Fourier series expansion of a 1 kHz periodic rectangular pulse train with a base-to-peak voltage of 0 to k volts and a pulse width of k/10 for k = 1,2,10.
Write a program that asks a user to input (one at a time) the four numbers to fill a 2x2 matrix. For each number entered, make sure the user knows which number is being entered.
The time taken to download software from the internet is uniformly distributed between four and ten minutes. A. What is the probability that the downloading time for software is more than six minutes B. Prob that time is between five and eight minute..
A continuous time system, describes by y(t) = 5 Cos (2*pi*20*t+pi/2), is sampled at rate 320 Hz. a) Write the mathematical expression that describes the discrete time (sampled) signal. b) Calculate the value of the discrete signal for n=0 and n=4.
When the scope probe is properly calibrated, it can be modeled as a 9[M Ohm] resistor in parallel with a capacitor having a capacitance l/9th that of the oscilloscope input capacitance.
Two capacitors labeled A and B are connected in series. They have the same charge but A has twice the voltage across it than B has. Which capacitor has the greatest capacitance
A unity feedback control systems for a robot submarine has a plant with a third-order transfer function G(s) = K / (s(s + 10)(s +50)) We want the overshoot to be approximately 7.5% for a step input
The current through a branch in a linear network is 2 A when the input source is 10 V. If the voltage is reduced to 1 V and the polarity is reversed, the current through the branch is a. - 2 A b. - 0.2 A c. 0.2 A
A flood control project with a life of 12 years will require an investment of $300,000 and annual maintenance costs of $25,000. The project will provide no benefits for the first two years but will save $40,000 per year in flood damage
A body attached to earth ground by an electrical conductor is at zero electrical potential. A charge of 25 C is added to the body. What is the potential of the body now. Explain.
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