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An 80 kHz sinusoidal voltage has zero phase angle and a maximum amplitude of 25 mV. When this voltage is applied across the terminals of a capacitor, the resulting steady state - state current has a maximum amplitude of 628.32 microamps.
a) What is the frequency of the current in radians per second?
b) What is the phase angle of current?
c) What is the capacitive reactance of the capacitor?
d) What is the capacitance of the capacitor in microfarads?
e) What is the impedance of the capacitor?
Assume that onesynchronization character is sent every 19 characters and inaddition, at least 3% of the line capacity is reserved for pulse stuffing to accommodate speed variations from the various terminals.
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Calculate the raial ion transport flux n_i*v_i_r in a cylindrical hydrogen plasma which has an axial curent of 1MA unifmorly distributed over a plasma of radius a = 1 m, has a uniform temperature of Ti = Te = 2 keV, and has an axial magnetic field..
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A certain pn junction is operating with Vt=26mV and ni=1.08x10^10 electrons/cm^3. The doping concentrations are Na=2x10^15 cm^-3 and Nd=9x10^16cm^-3. The diffusion coefficient are Dn=34cm^2/s and Dp=12cm^2/s.
Derive an expression for the surface current density (Js) on the conductor surface. In a diagram show the vector relationships among Js , the magnetic field Hs at the surface of the conductor, and the incident electric field vector.
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