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Electrons are moving from left to right through a conductor at the rate of twelve billion per second.
a. A current variable I1 is defined with reference direction from left to right in this same conductor. What is the value of I1? Use proper SI units.
b. A current variable I2is defined with reference direction from right to left in this same conductor. What is the value of I1? Use proper SI units.
If 3x10^20 electrons go through the cross section in the z-direction in 4 seconds, and simultaneously, 1.5x10^20 protons go through the same cross section in the negative z-direction, what is the magnitude and direction of the current flowing thro..
When one push button is pushed, the selected soda is dispensed and the machine returns to its initial state. One other feature is that an LED comes on to warn the user that two quarters are not available for change, so if a second $1 bill is inser..
Each time you apply a theorem or law of boolean algrebra, mark your paper clearly to indicate which terms were used to add or delete other terms, or indicate which terms were combined. Simplify algebraically
Distortion per data symbol is negligible and the time variation during a symbol period is negligible - what is the appropriate range of the symbol duration in this communication system?
a three phase motor operates at 70% efficiency, out of a 60Hz 480V balanced system of voltages. the motor takes a line current of 70A at a lagging power factor 65%. if the motor is rotating at 3500 rpm, and neglecting fraction, what is the torque ..
t uses four diodes, each of which can be modeled to have a 0.7-V drop for any current. What is the peak value of the rectified voltage across the load. For what fraction of a cycle does each diode conduct.
Design an ionospheric radio link over a distance of 2500 Km given that the ionosphere effective height is 275 Km and the electron density N= 2*1011 /m3, namely find : i- the angle of incidence on the ionospheric layer.
From the equation for intermediate frequencies, what is thephase angle between the current and electric fieldwhen ωτ = 1, 0.1, and 10. For each case, write an expression for the time dependence of current if the electric fieldvaries as sin(ωτ).
compute the fourier transform of the descret time signal x[n] = {C, n1
The stator frequency of an induction machine is 50 Hz and the rotor circuit frequency is 5 Hz. What is the rotating speed in rpm for a 4-pole induction machine
A 4 pole 50 kW dc machine has a value of Ea = 110 V at 1100 rpm. What is the induced voltage is the speed is increased 20%. Note: omega(w) = (2f*n)/60 where omega is in rad/sec, and n is in rpm
Estimate the diffusivity of a spherically shaped protein with a MW of 36,000 in water at 37oC.
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