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The change in memory density with time can be described by B = 19.97 × 100.1977(Year-1960). If a straight-line projection is made using this equation, what will be the number of memory bits/chip in the year 2020?
A fluid flows through a turbine at the rate of 45 kg/min. Across the turbine the specific enthalpy drop of the fluid is 580 kj/kg and the turbine loses 2100 kj/min in the form of heat energy. Determine the power produced by the turbine.
Assume a receiver is located 10 km from a 50 W transmitter. The carrier frequency is 6 GHz and free space propagation is assumed. Assume the unit gains for the system gains. Find: a) The power at the receiver
Suppose that a dc machine is designed such that the voltage applied to the field VF is equal to the voltage VT applied to the armature. In a well-designed machine, which current, IF or IA, is larger under full-load operating conditions? Why? What ..
An abrupt silicon pn junction at zero bias has dopant concentrations of Na = 1017/cm3 and Nd = 5 x 1015 cm-3 at T = 300K. (a) Calculate the Fermi level on each side of the junction with respect to the intrinsic Fermi level.
Determine the trigonometric Fourier series representation for the signal f (t) = 2 -1/2
A random variable X is normally distributed with unknown mean u and unknown standard deviation sigma. Find u and sigma if it is known that the probability X is less than 10 is 0.6950 and the probability that exceeds 6 is 0.7..
An FM signal being transmitted is represented by eFM(t) = 50Sin((2)(95.1)(106)t+2Sin((2)(10)(103)t)). If the antenna impedance is 75 , determine: (a) total power in FM signal and (b) FM modulation index.
·Insulators are a vital part in transmission system they held the overhead transmission line and provide a mechanical support besides they act as an electrical insulator to insulate the line from the supporting system ( pole, tower...etc.)
. Calculate the main lattice vectors in reciprocal space of an fcc crystal.
What is the peak frequency deviation of the FM signal and bandwidth of the FM signal? The signal is received with CNR = 30.0 dB. What is the SNR of the recovered video signal at the radio receiver output?
Design an inverting amplifier using one opamp and two or more resistors. Design it such that it has a gain of -10 (this gain is termed "inverting").Include a schematic of this circuit with the component values labeled .
Calculate the potential difference Vab between two concentric spherical shells of charge. Assume that the inner shell has a radius a and chargeQ, and the outer shell has a radius b and charge-Q.
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