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Question
Considering renewable energy, what is the perspective on renewable energy emissions that are regulated by the EPA (high-level thoughts)? Is it more in the manufacturing/production, generation of energy, or disposal? Are all renewable energies truly zero-impact energies wrt emissions and environmental impacts?
A coaxial line 5.6m long has distributed parameters R=6.5ohm/m, L=3.4 uH/m, G=8.4 mS/m, and C=21.5 pF/m. If the line operates at 2MHz, calculate the characteristic impedance and the end-to-end propagation time delay.
Determine the change in closed-loop gain, Af = Vo/Vi, for the two feedback circuits. - Which feedback configuration will result in less distortion in the output signal?
It is required to design a noninverting amplifier with a dc gain of10. When a step voltage of 100 mV is applied at the input, it isrequired that the output be within 1% of its final value of 1 V inat most 100 ns. What must the unity gain of the op..
If the coupler is to be fabricated in micro strip on an alumina substrate with r = 10 and d = 1.0 mm, compute Z0e and Z0o for the two adjacent lines, and find the necessary spacing and widths of the lines.
Calculate the sag in a 90-yard span of a 0.035 -in^2 overhead line when covered with ice to a radial thickness of 5/8 in, in a wind that exerts a pressure of 9 lb/ft^2, assume the breaking load as 1620 lb and the weight of the conductor as 0.1 lb/..
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output?
An incident wave of light travels through glass (n = 1.4) to water (n = 1.33) at an angle of 350. a. What is the angle of reflection and refraction b. What is the critical angle for this system
At 2GHz, a certain material has εr=2.5,μr=1, tanθ=10-2. Calculate the distance a uniform plane wave can travel through the materialbefore a) its amplitude is reduced by 20%, b) the phase shiftsby 180 degrees, c) the power is reduced by 10%.
A 10-bit 5-V ADC operates with a sampling frequency of 1 MHz. If a sinusoidal histogram test is to be conducted on this ADC with an input frequency of 100 Hz, how many samples need to be collected for processing? How long will it take to collect t..
Evaluate the response for a suitable length of time so that the response reaches steady state. Then, determine the magnitude and phase of the output v0 (t) , and compare to the magnitude and phase of your Bode plots at frequency 5,500 rad/sec.
The 765-kV 3φ line is 400 mile long and delivers 100 MW at 750 kV at 95% power factor lagging. Find the sending-end voltage and current and the transmission efficiency. Use the long-line model. Series impedance z = 0.02 + j0.54?/mi, shunt admittan..
For a given series network express V1,V2,V3,V4 in terms of Vs, R1,R2, R3 and R4?
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