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designing a digital thermometer, which willdisplay temperatures from -60 degrees F tp +140 degrees F. (thesystem displays the temperature to the nearest degree, so you willnot need to display fractions of a degree.) The numbers will bestored in a register in signed 2's complement form. What is theminimum number of bits your register will need to hold numbers -60to +140?
A triangular loop is placed in the x-z plane. Assume that a dc current, I = 2A ,flows in the loop and that B = 30az mWb/m exists in the region. Find the forces and the torque on the loop.
Determine the number of gates needed to implement a 4-bit carry-lookahead adder, assuming no fan-in constraints. Use AND, OR, and XOR gates with any number of inputs
The manufacturer of a 9Volt dry cell flashlight battery saysthat the battery will deliver 20mA for 80 continuous hours. Duringthat time the voltage will drop from 9Volts to 6 Volts. Assume thedrop in the voltage is linear with time.
A FM radio station transmits signals with circular polarization at 100 MHz center frequency. A vertical quaterwave monopole antenna is used in a radio set to receive this signal. If the average power density of the signal is 0.265pW/cm^2
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 computer has a word length of 8 bits (including) sign. If2's complement is used to represent negative numbers, what range of integers can be stored in the computer If 1's complement is used
A shunt motor with an armature resistance of 0.15ohms is running 1200rpm for a load which requires an armature current of 50A from 230V source. At no load, the armature current of 5A.
Determine the probability that the receiver correctly receives the codeword for the first time on the k-th transmission. Also determine the average number of transmissions until the receiver correctly receives the codeword.
b. Find the Fourier Transform of signal x(t) (use the Fourier Transform definition) c. Write down the double-sided amplitude and phase spectra x(t) d. Plot the double-sided amplitude and phase spectra of x(t)
Suppose that you wish to offer a voice over IP wireless service. The target packet error rate (or drop rate) is 10^3 and you determine that if the signal is confined to within a coherence band, about 20% of the packets are dropped due to fading.
A system initially consists of 3 lbm of a substance having specific internal energy u of 20 Btu/lbm, and 6 lbm of the same substance having an internal energy of 30 Btu/lbm. 150 Btu of energy is transferred as heat to this system
A) How far is the spring stretched at the equilibrium postion B) How much potential energy is stored in the spring C) the mass is pulled down a distance of 4.50 cm and released. How fast is the mass moving when it is 2.50 cm above the equilibrium p..
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