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A spherical capacitor is made of two conducting spherical shells of radii a and b. The space between the shells is filled with a dielectric of dielectric constant K upto a radius c as shown in figure. Calculate the capacitance.
Derive an expression for the detection gain of a DSB system for the case in which the bandwidth of the band pass predetection filter is BT and the bandwidth of the
a) Find the two values of vGS that give there spective limiting values of resistance b) Estimate the maximum permissible amplitude ofvDS for this resistor to operate as a linear device
The 288mH coil has 1000 turns and the coefficientbetween the coils is 1/3. The coupling medium isnonmagnetic. When coil 1 is excited when coil 2 open, theflux linking only coil 1 is 0.5 as large as the flux linking coil2.
a 3-phase slip ring induction motor gives a reading of 60volts,across a slip ring of open circuit. When at rest with normal statervoltage applied, the rotor is star connected and has an impedanceof (0.6+6j)Ω per phase.
If you are given three 300Ω resistors, show schematicaly how they could be arranged ( using 1, 2, or all 3) in series,parallel, or series-parallel combinations to obtainequivalent resistances of 100Ω, 150Ω, 200Ω,300Ω, 450Ω, 600Ω, 900Ω.
The work-piece motion of a certain system is measured using an LVDT that outputs 12mV/cm. (i) If the output from the LVDT ranges from -12mV to 24mV, what is the maximum horizontal motion of the work-piece motion
What is the sample period Ts?
An input signal of 10V at 0o is applied to a parallel RLC circuit with resistor R = 100 , inductive reactance XL = 200 , and capacitive reactance XC = 200 . All three components are connected in parallel to the source.
What value of emitter resistor would you choose, if: a) You have to amplify the signal of a microphone that has an internal resistance of 100K using a Common Emitter bias configuration b) you have to drive a load of 50 with an Emitter Follower cir..
an unknown semiconductor has Eg=1.1ev and Nv=Nc.it is doped with 10^15 donors,where the donor level is 0.2ev below Ec. given that Ef is 0.25ev below Ec, calculate ni and the concentration of electrons and holes in the semiconductor at 300k.
Calculate the electrostatic energy that is stored in the structure if the intermediate space is filled with a dielectric whose relative dielectric constant is 10 and a voltage is applied between the conductors creating an electric field.
A 208-V,60-Hz,three phase power system consists of an ideal 208-V,Y connected, three phase generator connected through a three-phase transmission line to a Y-connected load. The transmission line has an impedance of 0.06 + j0.12 ohms per phase
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