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A solid spherical conductor of radius a is surrounded by a concentric spherical conducting shell of inner radius b and outer radius c. The region between the conductors, a < r < b, is filled with a dielectric having dielectric constant 3. The region outside the outer conductor, r > c, is air. A charge of Q coulombs exists on the inner conductor only. Include proper units with your answers to parts (a), (b) and (c) below.
(a) Obtain the formula for the electric field vector, E,in EACH of theDISTINCT regions of space occurring in this problem. Include with the answer thespecification of the regions and the formula for the electric field vector in the regionsand the formula for the electric field vector in the regions
For parts (b) and (c) below, Q = 1 nC. Also, a = 1 cm, b = 5 cm and c = 6 cm.(b) What is the potential at the center of the inner conductor (numerical value)?(c) What is the potential on the outer surface of the outer conductor (numerical value)?
The O.C and S.C test data are given below for a single phase, 5 kVA, 200V/400V, 50Hz transformer. O.C test from LV side:200V 1.25A 150WS.C test from HV side:20VV 12.5A 175W
1. How much power reaches the receiving antenna 2. What is the EIRP in the direction of maximum transmitter antenna gain 3. What is the power density around the receiving antenna 4. What is the electric field intensity around the receiving antenna
A silicon (ni= 10^10 cm^-3) p-n junction diode has a maximum electric field of -10^6 V/cm and a depletion layer width of 1 um. The acceptor density in the p-type region is four times larger than the donor density in the n-type region.
a) Determine the frequency range of the local oscillator for this receiver b) Analyze and explain whether it's possible for this reciever to receive both a diesred AM station and an image station within the same 31-meter band
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter How much modulating signal power is needed to produce 100 percent modulation
A 2-kHz sound wave traveling in the x-direction in air was observed to have a differential pressure p(x,t) = 10 N/m^2 at x = 0 and t = 50 μs. If the reference phase of p(x,t) is 36 degrees, find a complete expression for p(x,t). The velocity of so..
A common-source amplifier utilizes a MOSFET for which VA=12.5 V and is operated at VOV = 0.25V. What is the value of its (gm ro). The amplifier feeds a load resistance RL = 15K ohm. The designer selects RD=2 RL.
A composite analog signal is given in the following expression: x(t)=1.2 sin(2pi60ft)+0.0001cos(2pi1ft) -If this signal was sampled at 1000 Hz, derive the expression for the sampled sequence x[n] with n being the sampling index.
1. Find the system transfer function H(z). 2. Find the impulse response h(n) for the system. 3. Find the inverse transfer function H-1(z). 4. Find the impulse response h(n) for the inverse transfer function H-1(z). 5. Is the system described by H-..
Consider a p-type Si sample with a resistivity of 0.5 · cm. The doping level is uniform throughout. In a certain portion of this sample, there is an electric field of a magnitude 1000 V/cm. Estimate the magnitude of a) the electron drift velocit..
1. design a simple power factor meter to operate from 230v mains. current range=1 to 10 amps. power factor range : 0.4 to 1 2. what is meant by normal mode rejection an A/D converter has 20ms integration time.
Draw the per-phase impedance diagram of the power system and Draw the impedance diagram in per-unit system
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