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Find electric field everywhere produced by two concentrically oriented spheres of radii Ra and Rb (Rb > Ra ) whose volumes are uniformly and oppositely charged to the same amount of charge, Q0.
(a) Draw the equivalent circuit. (b) Determine the ohmic value of the impedances. (c) Calculate the source current in amperes and in percent if the generator operating voltage is 3.8 kV (line-to-line) and a reactance of X=125% is connected in seri..
What is the phase angle of a series/parallel RC circuit with an AC voltage source of 3 Vrms that has a series R1 resistor (100 ohms) and an R2 resistor (10 kohms) in parallel with a 0.1 microfarad capacitor
Tones Input In To An Amplifier, Suppose two tones are input in to an amplifier. The tones are pure sinusoids with one at frequencies 8GHz and the other at frequency 8.03GHz,(delta f =0.03GHz).
Suppose unchirped Gaussian pulses at f = 1:55 fm are used to transmit binary data. You're given that the fiber dispersion parameter f = 17 ps/km-nm, and the dispersion length LD = 115 km. What is the half-width of the pulse at the origin
if you use the sinusoidal waveform to drive the speaker: What change in the sound do you expect to hear when you increase the amplitude of the sinusoidal signal on the function generator
Find the electric flux density field everywhere in space produced by two concentric spherical shells of surface charge density +ro and -ro of radius ‘a' and ‘b', respectively, where a
A four-input summing amplifier has all input resistors at 10 k and the feedback resistor equal to 2.2 k. If the input voltages are all equal to 2 V, what is the output voltage
A horizontal beam of negligible weight is 38ft long andis supported by columns on each side. a verticle load of 68000lbs is applied to the beam at a distance X from the left end. find the X in ft so that raction at the left column is 47000 lbs
A toroidal core has a rectangular cross section defined by the surfaces a = 2 cm, b = 3 cm, z = 4 cm, and z = 4.5 cm. The core material has a relative permeability of 80. The core is wound with two coils having N1 = 1000 and N2 = 2500 turns of wir..
Derivation of J-V relationship for p-n junction Steps: a) Write the excess electron concentration on the p-side as a function of position b) Write the excess hole concentration on the n-side as a function of position
The signal noise ratio in an FM system is 4:1 The maximum allowed deviation is 4 KHz. How much frequency deviation is introduced by the phase shift caused by the noise when the modulating frequency is 650 Hz
Single-phase distribution line runs parallel to a ground line and is separated by 2m. During a short circuit, the distribution line experiences a current of 10,000A rms. Determine the magnitude of the separating force acting on a 1m section of the..
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