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How has e-commerce affected business-tobusiness transactions?
• Explain how Internet technology supports business-to-business electronic commerce.
• Define and describe Net marketplaces and explain how they differ from private industrial networks (private exchanges).
An input signal of 10V at 0 degrees is applied to a series RLC circuit with resistore R=100 ohm, inductor L=40 mH, and capacitor C = 0.5uF. determine what is The value of the total circuit complex impedence.
A sinusoidal voltage has a maximum value of 100V, and the value is 10V at t=0. The period is T=1ms. Determine the angular frequency, w, in rad/sec.
If the two machines have different numbers of poles but exactly the same shaft speed, then the electrical frequency of the two machines will be different due to Equation (3-34). What combination of poles on the two machines could convert 60 Hz pow..
Electrostatic scaling: prove that electrostatic force between the two plates of a charged capacitor is a surface force (~L2); How about the stored energy under constant voltage on the capacitor (~L1, ~L2, or ~L3)
What would the rating of this transformer be if it were operated on a 50-Hz power system? Sketch the equivalent circuit of this transformer referred to the primary side if it is operating at 50 Hz.
steam flows through a turbine one inlet and two exits with know condition at the steady state ( hints: h1=3231KJ/kg, h2=2812 KJ/kg , specific volume (v)= 0.0994 m^3/kg , at p= 30 bars,v=0.4045m^3/kg, at p=5 bars, no potential and kinetic energy ch..
A tiny ball (mass = 0.015 kg) carries a charge of -20 µC. What electric field (magnitude and direction) is needed to cause the ball to float above the ground?
At resonance, a series RLC circuit will be:- definition of characteristic impedance? -When moving from the source to load, current and voltage traveling waves move:
based upon the Norton thevenin equivalentcircuits (Method of short circuit through nodal analysis) When there is a short circuit present, any resistor in parallel will not have current running through it. But what if: 1) A independant current source ..
Find the external bias field strength required to produce a gyromagnetic resonance at 2.52 GHz.
Suppose that the motor is running at the no-load conditions described in part (e). What would happen to the motor if its field circuit were to open? Ignoring armature reaction, what would the final steady-state speed of the motor be under those co..
If the temperature of the insulation may not exceed 50°C, what is the maximum allowable electrical power that may be dissipated per unit length of the conductor? What is the critical radius of the insulation?
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