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Humans are parts of food chains and food webs, too. Where on a food web would you typically find humans (near the bottom with the producers, at the top with carnivores, or somewhere in between)? Explain.
What are some advantages of being part of a food web rather than a food chain?
when the remaining sources of e.m.f. are replaced by conductors, the resistances of which are equal to the internal resistances of the respective sources.
Find the input torque to the generator.If armature current and field current are kept constant, find the new value of the terminal voltage if the power factor is changed to 0.7 lagging.
List the stages of system cleanup. Why does changing the compressor oil help clean up a contaminated system?
Make a block diagram for a resonator. Where the forward path element G(s) is an amplifier.- What does the feedback element H(s) consists of?
What is skin effect in transmission lines in the electrical power systems?
The Fourier sine series is especially convenient for discussing functions that are zero at the end points x = 0 and L.
A chopper controlled electric train is powered from a 1500 VDE supply. The power semi- conductor switch element has a minimum effectice ON time of 40 Ms. during starting and slow speed running, the output of the chopper has to go as low as 15 V.
The voltage across a 1-µF capacitor is given by v(t)=100 e-100t . Find expressions for the current, power, and stored energy. Sketch the waveforms to scale versus time.
What is the Causes of low Power Factor ? With steps and detaills .
computation with 5% of the code that cannot be paralleled, compute the speedup and efficiency.
Using verilog, write the code and test bench for a 4 bit shift register where if L=1 the register is loaded with R. When L goes low the contents of the registers are shifted towards the right and the MSB of the register is loaded with W.
Calculate the Thevenin voltage relative to nodes A and B and Calculate the peak to peak value of the voltage across inductor
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