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A series-tuned antenna circuit consists of a variable capacitor (40 pF to 360 pF) and a 240-µH antenna coil which has a dc resistance of 12 Ω.
(a) Find the frequency range of radio signals to which the radio is tunable.
(b) Determine the value of Q at each end of the frequency range.
A step-down transformer has a 120V rms primary voltage applied and a 12V rms voltage is measured at thesecondary. Assuming the transformer can be considered ideal,determine the turns ratio, n.
For the equation F(a,b,c,d) = ab'c' + abc'd + abcd + a'bcd + a'bcd', determine all prime implicants and all essential prime implicants: (a) using a K-map, (b) using the tabular method.
Assume that an antenna has a power input of 50 W and a gain of 30 dB relative to an isotropic radiator. Determine the increase in dB of the received signal at a point where the signal strength is 5 dB below the level of maximum radiation
A frictionless piston-cylinder device contains 16 lbm of superheated water vapor at 40 psia and 600°F. Steam is now cooled at constant pressure until 70 percent of it, by mass, condenses. Determine the work done during this process.
Figure P4.1 shows a neural network involving a single hidden neuron for solving the XOR problem; this network may be viewed as an alternative to that considered in Section 4.5. Show that the network of Fig. P4.1 solves the XOR problem by constucti..
Determine the value of α so that the phase margin is 45°
The outer surface temperatures of the brick and insulation are 1260 degreeR and 560 degreeR, respectively , and there is perfect contact at the interface between the two layers. Determine at steady state the instantaneous rate of heat transfer
the capacitance varies depends on the distance of the two plates from 0 to about 20in. this model is needed to generate an input to an other part of the circuit to simulate it and obtain the output in PSPICE.
The diagram of FIGURE 2 shows a bi-directional opto coupler input interface circuit. When a supply voltage of 20 V is applied the LED carries a current and 2 V is dropped across it. Calculate the value of the LED current and the value of current t..
Design a state variable two-pole band-pass filter with a geometric center frequency of 2KHz and a 3dB bandwidth of 20 Hz and the tuning resistances need to be 10Kohms each.
A copper wire of diameter 1.8mm carries a steady current i of 1.3A. What is the drift speed of the conduction electrons in the wire
Please Use Mesh analysisy to find the solution for the Equation with a Step by Step Summary of Supermesh AnalysIS
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