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1 A 3-phase, wye-connected generator induces 2400 V in each of its windings. Calculate the line voltage.
2 The generator in Fig. 8.9 generates a peak voltage of 100 V per phase.
a. Calculate the instantaneous voltage between terminals 1, a at 0°, 900, 1200, 2400, and 3300 .
b. What is the polarity of terminal a with respect to terminal 1 at each of these instants?
c. What is the instantaneous value of the voltage across terminals 2, b at each of these same instants?;
If the emission, factor of producing electric power by PV cells is 100 g of CO2 per kWh, by wind power is 15 g of CO2 per kWh, and by coal is 1000 g of CO2 per kWh, then find the ratio of CO2 emission when a) 15% of power comes from wind farms
A linear time-invariant continuous-time system responds to the following inputs with the corresponding outputs:Ifx(t) = u(t), then y(t) = 2(1- e^-t)u(t) and if x(t) = cost,then y(t) = 1.414 cos(t - pi/4).
Derive the three-term error correction formula. Include the appropriate signal flow graphs in all of your derivations. Hint: The one-term and both two-term error models are simplifications of the threeterm error model.
Group and phase velocity in uniaxial crystals: a. Derive an expression for the group velocity of the extraordinary wave in a uniaxial crystal as a function of the polar angle of the propagation vector.
Suppose you are to construct a logic circuit with inputs {A,B,C} and output {F} The logic is such that "F" is asserted only when "A" or "B" are asserted and "C" is not. First draw and complete the truth table
When using current mirrors as current amplifiers, a dc current source is often included on both the input side and the output side of the current mirror. What is the purpose of these dc current sources
A sequential circuit with two D flip flops, two inputs x and y, and one output z is specified by the following next state and output equations: A(t + 1) = xy + x'B B(t + 1) = y'A' + yB
How much energy is extracted from an electron as it flows through a 9V battery from the positive to the negative terminal
Is there any easy way to understand nodal analysis with voltage source and direction of current Where to start studying from if there is problem with understanding concepts
what device is used to extend the range of the DCvoltmeter and how is it connected to the basicmeter and what device is used to extend the range ofthe DC ammeter and how is it connected to thebasic meter
An npn BJT operating with its base-emitter junction forward biased, its base-collector junction reversed biased, and negligiblehole-electron recombination in the base has an emitter current composed of 98% electron flow and 2% hole flow.
At a design review for your first engineering project, you presentthe project to a panel of three senior engineers who will vote onwhether your project should be funded or not. The senior engineerswill vote using an electrical switch with two posi..
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