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Terry Martinez is considering taking out a loan to purchase a desk. The furniture store manager rarely finances purchases, but will for Terry "as a special favor." The rate will be 10% per year, and because the desk costs $600, the interest will come to $60 for a one-year loan. Thus, the total price is $660, and Terry can pay it off in 12 installments of $55 each.Use the interest rate of 10% per year to calculate the net present value (NPV) of the loan?
Based on this interest rate, should Terry accept the terms of the loan.
Consider a long wire represented as distributed RC sections. The total wire length is 5mm. To reduce the wire delay, we uniformly insert n buffers along the wire. Suppose r=12Ohms/m and c=0.2fF/m and the delay of each buffer is 1ns.
A resistance of 40 ohms is connected in series with an inductance of 0.12 H. Calculate the current, power, reactive power, apparent power, and power factor when the combination is connected to a 60 Hz, 120 V source.
A single phase transformer has the following rating: 120 kVA, 2000 V/100 V, 60 Hz with 1000 primary turns. Determine (A) the maximum flux. (B) given a maximum flux density of 0.25 T, the cross-sectional area of the core.
A square wave signal with voltage levels 0 volts and 2.0 volt at a frequency of 1.00 MHz is multiplied by a sine wave at a frequency of 5.0 MHz
An office building of 20,000 ft2 would then take 40,000 watts of lighting at 2 watts /ft2. which amounted to 667 - 60 watt light bulbs or about the same two-bulb fluorescent fixtures. Resize the lighting system (W) assuming a lighting level.
A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4×10?11 S/mile, resistance (R) is 0.1 ?/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile 220 kV, 220 MVA with power factor
The response of a LTI system to the input x[n] = (1/4)^n u[n] is y[n]=5(3/4)^n u[n]. A) Find the impluse response h[n] of the system. B) Find the output y[n] for the input x[n] =(1/3)^n u[n].
A hybrid communication system uses both AMSC and FM. The information signal a(t) is first AMSC modulated with the subcarrier frequency 1000 Hz. Then it passes through an FM modulator with the carrier frequency 10Mhz.
Assume that the size of each track is the same. Compute the size of each cylinder on the disk both in terms of the number of bytes and the number of blocks. Also, compute the size of each track.
Design a BCD-to-7-segment decoder/driver (code converter) by using two different VHDLs (two projects - one low elvel and one high level) You need to turn in vhdl codes, testbench codes, simulation waveforms
The balanced 60Hz waveform sample that we must modulate is the point where t=4.4ms. The DC voltage from rail to rail is 300V. assume the q axis and a axis are in same direction. The use of mathCAD is recommended.
During a walk at the park we spot blue birds and red birds. Suppose each red bird with probability 3/4 and blue birds with probability 1/4. (a) In a collection of 5 randomly selected birds, what is the probability that none are blue
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