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A periodic waveform can be expressed as v (t)= 20 + 16 cos 500πt - 8 sin 1000πt + 4 cos 2000πt V (a) What is the period of the waveform?
What is the average value of the waveform?
What is the amplitude of the fundamental (lowest frequency) component?
What is the highest frequency in the waveform? (b) Simulate the waveform in MATLAB or Excel and find VMAX, VMIN, Vp, Vpp, and Vavg.
Suppose the firm has a fixed cost of $20,000 in preparing equipment prior to doing its first exploration. If each successful exploration costs $30,000 and each unsuccessful exploration costs $15,000, find the expected total cost to the firm for it..
Consider an electron with spin magnetic moment u_s in a strong magnetic field B_z in the z direction. The potential for an electron with spin magnetic moment u_s in a magnetic field B is V=-u_s . B
Design a circuit that might be used as a trigger for a night-light. You are given a photoresistor whose resistance changes from 5k when inside a lighted room to 30k in a dark room. Design a voltage divider circuit that will provide a 3V
A manufacturer specification sheet lists the transfer function of a pressure sensor as 45±5% mV/kPa with a time constant of 4±10%. A highly accurate test system applies a step change of pressure from 20 kPa to 100 kPa.
What rate RTCP will limit its traffic to and how much RTCP bandwidth a particular sender will be allocated?
Calculate the Fourier Transform of f(t) = 5 sinc(-2t/100), and graph the magnitude and phase as a function of f.If the signal of problem 1 is delayed by 0.1 ms. What is the new Fourier Transform. Graph it's magnitude and phase as a function of f.
the current i 2t2 - 1 a 1le t le 3 s is flowing through a certain circuit element. a if the element is a 4 h inductor
Given that Vs1 is 11 V, Vs2 is 20 V, Is is 4.5 A, R1 is 12 Ohm, R2is 26 Ohm and R3 is 41 Ohm. Use the source transformations to reduce the circuit to a single voltage source in series with asingle resistor.
A voltage divider consists of two 56kohms resistors and a 15V source. Calculate the unloaded output voltage taken across one of the 56kohm resistors. What will the output voltage be if a load resistor of 1.0Mohms is connected across the output
An Si device is doped at 5*10 to the power of 16 cm-3. Assume that the device can operate up to a temperature where the intrinsic carrier density is less than 10% of the total carrier density. What is upper limit for the device operation
The three vertices of a triangle are located at A ( -1, 2, 5) , B( -4 , -2 , -3), and C( 1 , 3 , -2) . find a unit vector that is directed from the midpoint of the side AB to the midpoint of the side BC.
The rotor of a 6-pole, 50 Hz slip ring induction motor has a resistance of 0.25 Ω/ phase and runs at 960 rpm. Calculate the external resistance/phase to be added to lower the speed to 800 rpm with load torque redcing to 3/4th of the previous value..
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