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Questions -
Problem 1 - A series RLC network has R = 2 kΩ, L = 40 mH and C = 1μF. Calculate the impedance at resonance and at one-fourth, one-half, twice, and four times the resonant frequency.
Problem 2 - Design a series RLC resonant circuit with ω0 = 40 rad/s and B = 10 rad/s.
Problem 3 - Design a series RLC circuit with B = 20 rad/s and ω0 = 1000 rad/s. Find the circuit's Q. Let R = 10 Ω.
Problem 4 - Design a parallel resonant RLC circuit with ω0 = 10 rad/s and Q = 20. Calculate the bandwidth of the circuit. Let R = 10 Ω.
1) For a semiconductor E vs kx near the band edge Ec is given by E=Ec +(h2/16m0)*kx2 Determine the effective mass of electrons in the conduction band. Here m0 is the mass of a free electron. 2) E vs. kx for electrons near the valence band edge Ev can..
An electric heater contains 40 litres of water initially at a mean temperature of 15 °C; 2.5 kW h is supplied to the water by the heater.- what is the final mean temperature of the water?
find the disruptive and visual corona voltage of a grid line operating at 132kv ,conductor diameter =1.9cm,conductor spacing =3.81m,temp=44,pressure=73.7,conductor surface factor ;fine weather=0.8;rough weather=0.66
Suppose we have a pn-junction that has been doped equally in the p and nregions with 10^16 atoms/cm3of boron and phosphorous, respectively. Assume ni = 10^10/cm3. What is the built-in voltage forthe junction
Find an expression for the scalar electric potential at any point on the axis of the ring. Indicate clearly your coordinate system and its geometry. Check the limiting case as the field point recedes to infinity.
There are six signal energy domains for the transfer of information. Sensors and transducers are characterised by the input energy domain, modulating energy domain and output energy domain.
Draw an SM chart or a state graph for the controller (five states). Assume that the clock period is long enough so that one word can be read every clock period.
a. What are the effective bandwidths of the two devices?
For example, if the time given is 10213 seconds, the function will give back 2 hours and 50.22 minutes. The function shall not print the results to console, but instead pass them back to the calling function.
The resistivity of copper is 1.724 micro-ohm-cm at200C. Determine for copper at 200C the resistance (a) of a cylindrical conductor 1 meter long and having a diameter of 1mm; (b) a rod 2 meters long and having a diameter of 2mm.
Express equation in terms of the flow rate and the pipe diameter. If the pipe diameter is doubled at constant pressure drop, what percentage change will occur in the flow rate?
Determine the load current of second synchronous generator and power factor of each machine, when excitation of first synchronous generator is decreased so that load current reduces to 100 A.
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