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What is the smallest integer number of time constants required foran exponential to decay to less than 10 percent of its initial value? what percentage of its initial value is it at this time?
An ideal reheat Rankine cycle operates between the pressure limits of 10 kPa and 8 MPa, with reheat occurring at 4 MPa. The temperature of steam at the inlets of both turbines is 500°C, and the enthalpy of steam is 3185 kJ/kg at the exit
The potentiometer extends between positions 1.9 cm and 54.6 cm on the scale. The voltage read by the DMM is 1.000 V and the current read the by DMM is 42mA. What is the resistance per unit length of the nichrome wire
What does a small delay spread indicate about the characteristics of a fading channel. If delay spread is 1microsecond, will two different frequencies that are 5 MHz apartexperience correlated fading.
a) A Si is doped with 10^17 boron atom/cm3. What is the electron concentration n0 at 300K. What is conductivity. b) A Ge sample is doped with 3x10^3 Sb atoms/cm3. Using the requirements of space charge neutrality
A compensated op-amp has an open loop low frequency gain of 10^5 and an open loop -3db frequency of 10 Hz. If an inverting amplifier with a closed loop low frequency gain of 100 uses this op-amp, determine the closed loop bandwidth.
A spread spectrum system has a code rate that can be switched from 500 kbps to 1.5 Mbps in 100 k steps. If the message rate is 1.3 kbps and the processing gain is 1050. What step should the code be set to
An angle modulated signal is given by EM(t)=5cos[Wct + 20sin100pi(t) + 10sin2000pi(t)] a. Find the power in the modulated signal b. Find the peak frequency deviation in Hz. c. Find the peak phase deviation in radians. d. Find the bandwidth
Identify the beginning point by an X and (q=0) label,and the ending point by an x with a (q= ∞) label. showthe q locus as a solid line, with arrow heads on it which indicatethe direction for the increasing values of positive q.
Two wires - A and B - with circular cross-sections have identical lengths and are made of the same material. Yet, wire A has four times the resistance of wire B. How many times greater is the diameter of wire B than wire A
A 40-hp, 500 V, 1200-rpm DC shunt motor has rotationallosses of 2000 W at rated speed. The armature resistance is 0.46Ω and the field resistance is300Ω. A) Calculate the armature current when the motor is delivering rated load at rated voltage and..
In addition, you have a 32-Kbyte Flash chip, a 16-Kbyte SRAM chip, and a 16 KByte DPRAM chip. You want to locate the FLASH chip right in the beginning of the address space, the SRAM chip just after it, and the DPRAM at the end of the address space..
Compare the maximum theoretical PCE for 980-nm and 1475-nm pumping in an EDFA for a 1545-nm signal. Contrast this with actual measured results of PCE = 50.0% and 75.6% for 980-nm and 1475-nm pumping, respectively.
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