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Draw a diagram of a capacitor start motor (which incorporates a centrifugal switch). Explain what happens during the start-up period. (What is the purpose of the capacitor?)
Shunt capacitors are installed at the receiving end to improve the line performance. The line delivers 70 MVA, 0.8 lagging power factor at 64 kV. Determine the total Mvar and the capacitance per phase of the Y-connected capacitors.
Systems that operate under real time conditions need to be causal - that is, they can only process present and past inputs. When no real time processing is needed the system can be non-causal.
A capacitor C is connected in parallel with a resistor R across a 120 V, 200 Hz supply. The supply current is 2 A at a power factor of 0.6 leading. Determine the values of C and R.
An electric heater draws an average power of 1100 Watts when plugged into a 110 V-rms outlet. Calculate the resistance of the heater and the rms current.
doped silicon at 300 K contains 10^16 acceptor atoms/cm^3. Find the hole concentration and the free-electron concentration.
What assembly language instruction sequence would be used to configure an internal CPU register to access an array, named TABLE, that starts at memory location $1000. Write the assembly language instructions below a programmer could use to copy.
1. A signal with a range of 0-12 V is sampled with an 8-bit ADC. What is the change in voltage (delta) between digitized levels 2. Using the SPI, we send three bytes to the LTC2600 DAC. What information is provided in each of the three bytes
The silicon cube you were shown consisted of 4x4x4 unit cells. You were shown one dopant in the silicon cube. Given that the lattice constant of silicon is 0.543 nm. Calculate the dopant density represented by the 4x4x4 silicon cube simulation.
Design a circuit for a combination lock with one input, x, and two outputs, unlock and hint. Output unlock should be 1 if and only if x is 0 and the sequence of inputs received on x at the preceding seven clock ticks was 0110111.
A single-loop negative feedback system has the loop transfer equation: L(s)=Gc(s)G(s)=K(s+2)^2 / (s(s^2+1)(s+8)) a. Sketch the root locus for 0 K infinity to indicate the significant features of the locus. b. Determine the range of the gain K for whi..
What are eigenvalues and eigenvectors associated to in electrical engineering?
In a certain audio recording system, it is desired to be able tomix two signals v1 and v2 and provide an adjustment for the levelof each. The desired sum v(output) will be of the formv(o)=k1v1+k2v2 where k1 ans k2 are each adjustable from 0 to +10..
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