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Design a variable voltage divider to provide an output voltage adjustable from a minimum of 10 V to a maximum of 100 V within ±1% using a 1 to 120 V source. The maximum voltage must occur at the maximum resistance setting of the potentiometer, and the minimum voltage must occur at the minimum resistance (zero) setting. The current is to be 10 mA.
A parallel circuit has three branches. One ranch has a load with 18 of resistance. Another branch has a load with 22.5 of resistance. The third branch has a load with 30 of resistance. What is the total resistance of the parallel circuit?
An LRC circuit has L=0.1H, R=3Ω and C=(1/45)c. The circuit is subjected to an applied force of F(t)=-410*cos50t - 300*sin50t. q(0)=0 and q`(0)=0. Calculate the steady-state current for the circuit.
Extension cords which are designed to carry heavier loads are generally larger in diameter than those which are not. Is this just a matter of adding more insulation, or is there a physical principle at work causing the larger diameter? Explain.
The transfer equation is V_out/V_in. if you factor the second order polynomial what are the two first order polynomials. How do these compare with the first order filter. Has the -3db changed.
A practical source delivers 50mA to a 300Ω load. The source delivers 12V to a 120Ω load. Find the maximum power available from the source.
An inductor has a negligible resistance and an inductance of 200 mH and is connected in series with a 1 k resistor to a 24 V, d.c. supply. Determine the time constant of the circuit and the steady-state value of the current flowing in the circuit.
Determine the sequences of values on the inputs to the L298 to drive the stepper motor clockwise and counterclockwise.
Consider the router diagram in Figure 3. Consider that the packets shown are uniformly 500kB in size and that they are all stored in the input buffers of ports W, X and Y. These packets marked with the output buffer they are destined for.
The weather is bright and there are no dark clouds in the sky. I decide to take a walk in Montrose Water Sports Park, which is just a short distance from where I reside. I come to this decision because it is a Saturday afternoon, and I am feeling bor..
Sehat Sutardjareceived a Ph.D. in 1988 from Berkeley from one of the most distinguishedprofessors in the electronics field. He published apaper in the IEEE Journal of Solid State Circuits in December of that year.
If a man touches the chassis, compute the current through his body. Assume that the body resistance of the man plus his ground resistance is 1000Ω.
In rectangular form (numerical values required to nearest 0.1) what is the input impedance of a λ/8 section of 50 ohm line connected to a 200 ohm load. Include a figure showing the configuration having the input impedance to be calculated.
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