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1. Find the Norton equivalent circuits for the two-terminal circuit shown in Fig.1.
2. Find the Norton equivalent circuits for the two-terminal circuit shown in Fig.2.
3. Fig. 3 shows a resistive load RL, connected to a Thevenin equivalent circuit. (Tricky question)
a) For what value of Thevenin resistance is the power delivered to the load maximized?
b) Find the maximum power delivered to the load.
4. Use superposition to find the current i in Fig. 4.
5. Solve for is in Fig. 5 by using superposition.
6. Solve for i1 in Fig. 6 by using superposition.
A balanced three-phase 60 Hz source supplies power to a balanced-connected inductive load. The line voltage is 440 V, the line current is 8.2 A, and the power delivered to the load is 5 kW.
Design low pass active filter with a cutoff frequency t at 10kHz or more by 30db and have the pass band gain positive that does not deviate from 20db by more than 3db. The pass band frequency needed is 800Hz and below Derive transfer function
Suppose a fair coin is tossed n times. Each coin toss costs 'd' dollars and the reward in obtaining 'X' heads is aX^2 + bX. Find the expected value of the net reward.
The wave passes perpendicularly through an open window, the area of which is0.244 m2. How much energy does this wave carry through the window during a 48.9 s phone call
A standard test for the operation of an FM system is to examine the output spectrum when modulated by a standard test tone. You're examining an FM broadcast tx modded by a 1kHz tone.
1. What is the purpose of core in hollow solder wire 2. What is tinning, and why is it important 3. Why is safety so important when soldering 4. Why has lead-free solder replaced lead-based solder. Be sure to properly cite any sources of information.
You take samples of granite, marble, bronze, and other materials, and place them outdoors for a long time in the big city. You periodically examine the appearance and measure the mass of the samples. What observations would lead you to conclude th..
The signal is 12 sin ( 2 pi 2000 t + 50o ). The voltage displayed on the DMM is___?
1. Consider the Nordex 1.3MW, 60-m wind turbine with power specifications given in table 6.7 located in an area with 8m/s wind speeds. a) find the average speed in the wind (W/m^2) assuming Rayleigh statistics.
1. What happens to both resolution and full-scale output when the reference voltage on a DAC is increased by 20% a. resolution gets better by 20%, output goes down by 20% b. resolution gets worse by 20%, output goes up by 20%
Consider a balanced three-phase system where the sources areconnected in a wye formation and the load is connected in a wyeformation with impedance ZPY for each phase. The"a" phase source voltage isVan=220
The forward transmittances of unity feedback tracking systemsare given below. For each, find the type number of the system, thesteady state error coefficients k0,k1, and k2 and the steady stateerrors to unit step ramp, and parabolic inputs.
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